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Friday, May 11, 2012

Introductory Overview:Tensor Ten 5.75 Low trucks

I recently picked up a set of the new Tensor Ten trucks in size 5.75 low.

Two reviews of Tensor trucks precede this review. I tested the Tensor Response in size 5.25 low, which were nice, light trucks with good pop and ollies, but suffered many, many quality issues. Then, Tensor improved their Response design and quality, and I tested their R2 trucks in size 5.5 low, which were greatly improved in quality but still had issues in turning with the overly soft stock bushings, and, although sized as a 5.5, actually had only an 8" axle, making the trucks too narrow for 8.25" boards. Installing Bones bushings on the Tensor R2 trucks made them into excellent trucks for technical skateboarding.

Now, Tensor has stepped up their design and quality yet again with the Ten truck.
Tensor Ten Magnesium trucks in size 5.75 Low
The quality of these trucks is top notch, higher build quality than any other truck out there. No casting marks,
 flawless threads, flawless paint job, not a thing off about these trucks. The trucks have most of the same features as their R2 predecessors, with two notable differences. Firstly, you'll see that Tensor equipped the Ten trucks with conical bushings. These stock bushings are very hard - a change for Tensor - and lack the extra parts that make the bushings fit together. This is a great improvement. The stock bushings on Tensors have been far too soft for a long time now. And conical bushings have always worked better in Tensors than the barrel bottom bushings.

The next change is rather profound. I had to weigh these trucks a few times to make sure I had the right measurement. I even re-tared my scale, measured other trucks again, and put my scale on a different table - all to make sure that the scale was measuring it right. These 8.5" axle trucks are a true 262 grams!. This is an incredibly low weight! The next lightest 8.5" truck is the Theeve TiH truck at 300 grams. Think about how light 262 grams is: 13% less than Theeve TiH, 25% less than Destructo 5.75, 32% less than Independent 149 standard! These trucks have normal axles and kingpins, yet only weigh 262 grams. What will it feel like to skate such light 149 trucks? I will let you know soon.

Here are the vital specifications on the Tensor Ten 5.75 low trucks:
Hangar width: 146mm / 5.75"
Axle width: 8.5"
Weight: 262 grams
Height: 45.5 mm
Axle displacement: 36.5 (on par with Indy, Destructo, Fury)

And here are some more pictures of the Tensor Ten trucks:
Tensor Ten 5.75 Low

Tensor Ten 5.75 Low. Notice new conical bushings: they're about 98a in hardness, nice!

Tensor Ten 5.75 Low. Baseplates still have the nibs to keep the trucks positioned on the deck. The baseplate now has a curved nose/tail side to ease nose/tail slides. Nice.

Tensor Ten 5.75 Low. Extremely high quality. No-hang-up yoke will keep you from catching on coping and rails.
The Tensor Ten 5.75 low trucks look and feel excellent and stoke me up to try them out. Let's see if they hold up to the testing and how they compare to the other 149 trucks.

These trucks are also the last set of 149 trucks to be compared for the great 149 truck comparison. Once I'm done evaluating these Tensors, I'll publish my final thoughts on all the 149 trucks and offer up a tool to help any of you out there decide which 149 trucks might be best for you and your purposes. The full list of trucks compared for the 149 truck comparison:

  • Ace 44
  • Destructo D1 5.5
  • Destructo D2 5.75
  • Gullwing Shadow DLX 8.5
  • Independent 149 Forged Hollows
  • Independent 149 standard
  • Tensor Ten 5.75 Low
  • Theeve TiH 5.85
  • Thunder 149 Light
  • Thunder 149 Standard
  • Tracker Dart 149
  • Venture 5.8 High
Only about 2 more weeks of testing, then the final results will be published. 


  1. Hey :)

    do you know if Theeve fixed the bushing problem with the current "low" version (5.25) of their trucks? (it comes also with a bottom washer).

    Would be great to get an answer asap... :)

    Thanks a lot for your aknowledge ^^

    1. Hi Chris,
      Theeve has not changed the design yet. Low Theeve Trucks still ship out with a bottom washer.
      Sorry. :(

    2. Hi again,

      thanks for the quick answer :) Also the bushings of the low could also buldge - or pop out? I thought (maybe) in fact of the lower "hanger" and "seems" larger kingpin the problem could be fixed.

      -but it isn't, right? :x

  2. Hi Bertrand,

    I am sorry to report that the venture 5.2 hi's did not work out for me. They seemed okay at first, but after a few weeks of skating them I began to get annoyed with the lack of responsiveness. However, I stepped up the deck size to 8.25 and tried out Thunder 149 standard and am pleased to report that they are perfect. They turn well with nice tight cornering, and are very stable even at high speeds. I have skated them in the skatepark and in the streets. I have an uncle who is very into motorcycles, but not Harleys; he likes Triumphs. He is a motorcycle nerd if you will, and mechanically great but you could never tell by looking at him. That's how I feel about Thunder. They don't have a super hardcore image, but they perform great. Thanks for all you do.

    -Andy in Boston

    1. Thunders are great trucks for all around skating. I'm glad you like them!

  3. are you going to sell these on ebay too ?

    1. Steve, man, I'm sorry, I listed the Tensor 5.75s on eBay and somebody bought them pretty much right away.

  4. Cool, no worries. These are just hard to find. ive tried googling these (which is how i found your blog), but cant find the trucks in any shop, where did you find these?

    1. Socal Skateshop has some Tensor 10 5.75 lo trucks:

  5. cool thanks ! i found that website a while ago and when i clicked on the trucks no picture , nothing showed up.. now it is for some reason.. weird. anyway i just read some of your review about the 149ers and charts (very cool). Hows the strength of the Tensor 10's ? and Grindablitliy <---is that a word.? if you dont mind me asking.

    1. The Tensor Tens were as strong as any other high quality aluminum truck out there. The Tensors grind nicely; the magnesium grinds almost anything.

    2. Dude this is very helpful thanks. This blog of yours is like everything people wonder about with specs. Did you try kickflips with the tensors, did they feel easier or harder to flip because of the weight reduction. For so long ive been waiting for a company to make 149 lows, ive been skating 147 lows for so long.

    3. Oh, you better believe it. The Tensor Tens 5.75 Lo were, like all Tensors, really awesome for flip tricks. The light weight, good balance, and low height all made flip tricks a lot easier.

      The reason I didn't favor the Tensors is because I like to ride my trucks really, really loose, and the Tensors just aren't designed for that. Daewon Song rides Tensor Responses: his front truck is rattle-loose, but he doesn't get wheelbite because he takes out the front top bushing and double stacks cupped washers there. When you do that with a Tensor, the truck is very loose but the hanger stops turning at a certain point. If you have 50mm or smaller wheels, the cupped washer binds and the hanger stops turning before the wheels touch the deck. This setup is most effective with the Tensor 5.0 trucks, but I found it works with the 5.25, 5.5, and 5.75 lows, too.

      However, getting back to my truck preferences. I ride the front truck really loose with soft bushings, but I also like a nice deep surfy feeling in my trucks. The Tensors carve with very long arcs, meaning they don't turn tightly even if you ride them rattle-loose. Thunders are kind of like that, too. I like my trucks to turn tight and deep, like older Independent trucks, Aces, older Gullwings, Theeves, Royals.

      Anyways, I really hope this helps. I want to reiterate that Tensor quality is tops, the magnesium grinds very nicely, the Tens have much better stock bushings, and they are still the lightest trucks in their size. They are really great tech trucks. Enjoy!

    4. Hey man - one last thing . Ive never ridden Tensors im a thunder person, and ive ridden the 149 thunders hi , which have an 8.25 axel i i not sure if they are a true 8.5 , but anyway i looked on tensors website and Tensor makes a 8.25 in the Tensor 10 lo called the 5.5.. are these the same as thunder 149's or was your problem with the 5.5 tensor R2 just a fluke or mistake in a rare case. - and i read in your other tensor article about tensor's 8.25 or 5.5 not being a true 8.25 size ... So before i pull the trigger im now debating on weather to get the 5.5 or 5.75 (the 5.5's are everywhere and if a true 8.25 more like thunder 149s), the 5.75 are rare right now. which one should i get to be like a thunder 149? I dont want a super super wide truck thats longer than the 149 thunders. Are the 5.75's still the choice.

    5. The 149 Thunders have an 8.5" axle. Every Tensor 5.5 I've seen has had an 8" axle. To put it in perspective, the Tensor 5.25 has a 7.875" axle and the Tensor 5.0 has a 7.55" axle. The Tensor 5.75 has an 8.5" axle, exactly the same as the Thunder 149. The 5.75s don't feel wide at all. The 5.5s feel narrow. If you want to replicate the Thunder 149 width, go for the 5.75s.

  6. Dude thanks. Youre like the skateboarding encyclopedia. i was doing what you were doing for a while also, until i ran out of money to test things. I have found Anti-Hero decks and Alien Worshops to be the lightest decks out there also for 8.8 and 8.6 decks. they weigh as much as some 7.5 decks out there. Ive been paying attention to weight also since i skate bigger boards cause my feet are 12. Everyone who says weight doesnt matter are usually those skating 7.75 or 8 - Id be saying weight tdidnt matter if i was one of those people too. But 8.5 decks and Indy 169 have my ankles sore everytime. When i switched to lighter everything i felt my ankles , back, knees have been nicer to me. Weight does matter.

    1. I was thinking the other day how the difference in weight (140 grams) between a set of two Independent 149 Standard trucks and a set of two Independent 149 Forged Hollow trucks amounts to about the weight of an iPhone (137 grams). So, could I just get the Indy standards and not skate with my iPhone in my pocket? Yes, if I carried my iPhone in my socks or in my shoes. The difference in weight might not mean much for the overall package, but the location of the weight makes a huge difference. Since our legs are our suspension system, all the weight of the skateboard is sprung weight. Changes in sprung weight have a disproportionately larger impact than changes in unsprung weight. Especially when we're flipping our board around. But, then, does weight matter as much for vert skating or bowl skating? The theory of sprung vs. unsprung weight would say the same principle applies: that a lighter board would be easier to control and, hence, increase traction (i.e. stability and ability to land tricks). What do our experiences tell us? Mine tell me that this holds true: I can skate any obstacle type better with a lighter board than with a heavier board. For me, everything is more precise and predictable with a lighter board.

    2. I agree. Everything does feel easier and more predictable and precise on a lighter setup.
      Even on tranny and in bowls and ramps I feel alot too.
      Personally, I notice it right away, I don't get why some people say it doesn't matter on tranny. Going at grinds with a lighter board I can maneuver myself so much more precise to get where I want. Grabbing is alot easier too, I notice this most of all w/ heavy setups on tranny!
      When switching back to the heavy setup everything seems to get harder and more restrained and takes more effort. I'd compare it too switching the gears of a bicycle to make it harder to push the pedals. That's how it feels to me anyways.

  7. Hi do Tensor Guarantee their trucks like Thunder, Venture, Indy ? Those companies always say they will replace their trucks if some freak crack or something snaps in half.

    1. Yes, Tensor trucks have a lifetime guarantee:

    2. I have replaced one set of Indys for manufacturers defects - pivot hole drilled off-center. I have replaced one set of Ventures for a cracked baseplate. I've never had to take Tensor up on their offer, even though I abuse their magnesium trucks in the wintertime. When I was young, I skated Tracker Magnesium Sixtracks for a brief period. I kept cracking the hangers and Tracker wouldn't honor the warranty. With Indy and Venture, the warranty claims were uncontested, and my replacement trucks came with no strings attached. Nice.

  8. Hey Bertrand, do you know what the lightest hardware out there is. I think you wrote somewhere that Thunder axel hardware is lighter than the theeve hardware. by how much?

    HAve you measured deck bolts too? i just weighted some bolts (standard) 50 friggin grams!

    i know some may say so what, but to me 50 grams is 50 unwanted grams.

    just wondering, doesnt hurt to ask if you also weigh bolt hard ware, and truck-hardware

    any info is greatly appreciated for, me and probably anyone else out there.

    1. The lightest deck bolts out there are from Theeve trucks:
      You can't get much lighter than 12 g!
      You can get them here:

      I'll have to weigh the Thunder hardware again, but the Thunder bushings I know are 10 grams overall lighter than the Bones bushings.

  9. hi -

    i've been reading and going back through all your truck research for months now!!! great job man, i love it. the technical and detailed breakdown of info is awesome cheers.

    but i need some new trucks and am currently considering the tensor mag low 5.75 model... are you sure the 262 grams is the correct weight for these? on the tensor website they list the 5.0 magnesium lows as being 272 grams? so there is a discrepancy somewhere? how can the 5.75 lows be lighter?

    also - on these trucks, are the kingpins nice and tucked away or will i feel them on ledges and need to grind the bolt down? (only 50/50s and 5-0s no hard shit!)

    your response would be most appreciated, keep up the good work.


    1. Daniel,
      The weight figures for all my trucks are accurate. Where I wasn't able to get a measurement, I cite that the manufacturer provided the weight. I use two different scales: a postage scale for rough orders of magnitude for weights, and a cooking scale accurate to 1 gram for the weights I post on the site.

      I can't account for the weight discrepancy with Tensor's website. I have never found Tensor's weight claims to be valid in the absolute, although they are accurate relative to the other trucks. If Tensor weighs the trucks "wrong", at least all of the trucks were measured the same way, so the weights are accurate relative to each other.

      The kingpins on the 5.75 mag Ten low and 5.75 mag Response 2 (R2) low are under the axle, for sure. For 50-50s and 5-0s, you will not notice the kingpins. I find the nut grinds on Smiths, Montys, Feebles, and rainbow grinds, but the kingpin nut has never stuck and prevented me from grinding. On my current pair of Tensor 5.75s, I am going to grind the kingpin nut down before I start skating Olney Manor Skatepark in the Spring. That way, I'll have confidence on my grinds.

      TL;DR: my weight is attained on a cooking scale, kingpin nut will not stick on 50-50s and 5-0s. Grind your nuts down to inspire confidence, but it isn't necessary.

    2. G'day -

      I finally received my tensors in the post today, fuckyeah!!! and I felt obligated to confirm that your measurements are extremely accurate (almost to the gram).

      The only mag 10 5.75s I could get from Australia turned out to be the mids/regulars (although I thought I was getting the lows - but the website provided an incorrect image) and they weighed in at 293 grams on standard cooking scales.

      This weight matches almost identically to your January post introducing the mids (you stated 295 grams but i can understand how a gram or 2 differnce either way could occur). They are exactly the same as the ones in your Jan post (eg. branding on baseplate, the "10" on the pivot part and the bumps on the bottom of truck). I can't wait to break these bad boys in tomorrow. I am still a little bummed that I didn't get the lows that I paid for - but it is too much of a hassle to return the mids and find somewhere else that has the lows available.

      So, cheers again for all your truck testing info etc. I love it. Your measurements are accurate as far as the tensors go - which leads me to believe the rest of your info is spot on correct also.

      - Daniel

    3. Axle placement is very important in relation to the angle your tail snaps at. I was comparing two setups i have, both with 48mm wheels, one with forged indy 139s(51.5mm high) the other with thunder low 147(47.5mm high i think?). I was surprised to find they both snap at the same angle, since the thunders axles are further out on the board. Although I will say that indys do provide alot of leverage over the tail which probably does increase pop a bit(this doesnt apply to thunder hi's though since their axles are pretty far out).

      I think avoiding wheelbite landing big stuff is the main reason most pro's skate hi trucks

    4. oops, meant that in response to the guy bellow saying low trucks dont work on bigger boards.

    5. Yeah, I like being as low as I can get. I like the lower center of gravity, it actually gives me more confidence to do stuff on the whim. Be more spontaneous, and I like that. I can also pop really fast and easy too. I skate near the woods, and there's always rocks, sticks, pebbles, cracks and garbage. It's nice to pop little quick ollies and have them be almost like quick "pressure" ollies sometimes. It's harder to do this with higher trucks.
      I think you're really right, dudes are afraid of wheelbite on impact from jumping down stuff.
      I don't jump down stuff anymore at this stage in my life, I like bowls, ramps and curbs and I know of alot of guys just like me.
      I skate bowls alot more than anything and I'm prob the only one I know of that likes smaller wheels and low and loose trucks for bowl skating. They just work best for me, and I hold back less with them. I choose to want to "go for it" more on new tricks.
      I also skate a bigger board too, around a 9", but shorter wheelbases, like the 1991-1992 era boards. I'm not a giant burly fella like most big board fans and alot of older dudes, I'm 5'9" 155lbs. I'd say a bigger, heavier guy might have more an issue with my setup, because of the height and the trucks bottoming out when turning because they're a big dude with more meat on them. BUT - that being said anytime somebody does ride my board they do like how easy it is to skate, without being all loose and squirrelly, yet low and light and quick. Honestly, it's the Mini Logo trucks - they do most of all of that. Well, medium Bones bushings w/ soap all over them and in my pivot cups - no washers on them either.
      Trust me, I love Indy's but I like I said I like being as low as I can, so I ride pretty much only Mini Logo trucks these days and smaller wheels. The ML trucks turn like a dream, they are magical! But, trust me though, if Indy made Low 149 or Low 159's - I'd have em in a heartbeat. The only downside to Low trucks is after around a 52 or 53mm wheel you gotta either skate really tight trucks, hard bushings or get some short risers. It's good to have some risers on hand in yer gear bag anyways. Shorty's makes little Dooks 1/16" hard risers, the shortest you can get out there. I have those and 1/8" in my "toolbox". I don't use either, but if ever I choose to go up in mm from 52 or 53mm to say 54 or 56mm, I will. I'd really like to use a 56mm wheel at all times because of the horrible New England asphalt in my area, but I don't like being that high and then having Indy's that are really high too so they won't bottom out and wheelbite from the get go. My pop just falls apart when I do that. I'm just set on low trucks.
      Also the bigger the wheels and it makes the boards weight increase waaaaay more than bigger or smaller trucks do. Something else to consider when we are talking pop and ollie height. There's always suttin! : )

    6. I'll say this too you as well - the board I can get the most pop from and highest off the ground when riding, and most comfortable to do any flatland tricks on is a setup that is very 1992 accurate. It's an 8.75"x31.6" 14.25 wheelbase Santa Cruz football shaped deck, Mini Logo 8.38" trucks (basically the height of Venture featherlights from then) and 44mm wheels. It's probably my lightest setup, because of the wheels mostly, but the ML trucks are super light too, and NHS Power Ply decks seem to be lighter than you'd expect, but are super strong!
      This setup is very LOW LOW LOW!!! : )

  10. Cheers for the response mate, i guess its just hard to believe the figures are accurate!!!

    But i'm not gonna complain if they're that light!!! - your assurance on weight accuracy has prompted me to order a pair of the tensor lows tonight (as i found some stocked in australia they should arrive within the next 4-7 days) so i'm hell keen to try em out.

    As a teen i skated from 1994-2002ish (stopped skating when i got a car) and over those years i never heard of a rainbow or monty grind that you mentioned!!!

    I am now 30yrs old and have been talked back into skating again by an old buddy (also an excuse to get away from our wives and have a few beers) so i figure some new gear might help me out a little as i have recently ground down the kingpin/nut on my back truck from excessive 50-50 grinds.

    Anyway - I plan on combining the tensor lows with an 8.43 real lo pro deck and some well worn hand me down wheels.

    cheers again for your response, your blog has provided me a wealth of information

    keep up the good work

  11. i know most people would disagree with me about 'pop' being in the deck or trucks you have, but thats what my point will be here. so many people want a low center of gravity - put your deck on the floor without trucks or wheels, just the deck and see if you can even ollie. okay assuming you do get off the ground it wont be very high. but this isnt my point yet.

    Most of your decks like that Lo Pro werent probably tested with a pair of Tensor 149 Lows or any other trucks. Now lets say you match your tensors with a Zero deck, and youre able to ollie over a small curb, fine. But lets say you want to ollie up a loading dock --hmmm not gonna happen with your tensor 149 lows or most other newer trucks... Reason being most pros ride either Thunder Hi or Indy Hi ,and most of your decks trucks and wheels are tested with Indy or Thunder Hi's.

    So, do yourselves a favor - just get the damn Indy or Thunder Hi's.

    Lo trucks are ok i guess if you ride a 7.5 to 8.0 deck but sometimes with an 8.0 to 8.5 your trucks will barely scrape the ground. You need hi trucks to get off the ground to flip a skateboard around and clear gaps. There are a few pros out there that skate lo trucks but even they end up stepping their game up sooner or later.

    Thunder Or Indy - save yourself time.

    1. Your findings don't stand up well to scrutiny.
      Let's add some measurements to your analytic targets:
      A Tensor 5.75 low is 46mm in height.
      A Thunder 149 high is 49mm in height.
      An Independent 149 high is 55mm in height.

      To that, let's add one other measurement:
      Independent 139 low = 49mm in height = same as Thunder 149 high

      Your assertion has been proven false.

      Pop and ollie height are determined through the complex combination of rider strength, rider body geometry, rider skill, truck geometry, truck longitudinal axle placement, truck height, board shape, board geometry, board strength, board construction, wheel hardness, speed at the time of the ollie, angle of launch surface, hardness of launch surface, porosity of launch surface, smoothness of launch surface, and many more factors.

      In other words: a skater's individual ollie height is determined by the particular combination of equipment, skater, and environment that is discovered and cultured by the skater during multiple iterations of trial and error.

      Even shorter: if you want to ollie higher, practice it, and don't be afraid to switch up your equipment to find what feels right for you.

      Shortest of all: Don't believe the hype.

    2. my point was, skate with what your equipment is tested with. for gentleman that said he rides real low pros. im pretty sure youll skate better with thunders, ventures or indys with a real low pro deck which was most likely tested with thunders by the team that approves the low pro decks. doubt anyone on the team tested them with tensor magnesium low trucks. If you want to skate without too many problems you usually buy what the pros have. Other wise just get a walmart board right? Your reply to my comment about pop is rediculous. you have alot of information and it is all pretty clear how differnt the trucks are. in skateboarding every millimeter counts. its a sport of inches and millimeters. a trick is pulled off with inches and millimeters... once millimeter off could mean you not land or flipping a trick around. yes pop is in your legs, thats retarded if you dont understand that, but your equipment is another part of your body when it comes to skateboarding.

    3. You are not making a very good case. If you want to support your point of view, bring science, not hype. Please try again to make your case. Please convey and comment upon some known facts, some of your own measurements, or test results from manufacturers.
      Please spell check your posts - spelling errors do not help your credibility.

    4. G'day anonymous -

      I'm on my 3rd low pro now (with 3 more in the cupboard!!!) and the first 3 have all been teamed up with indy 149 standards. I am now retiring the indys and looking to try something new - hence finding this blog.

      The low pros feel great to ride, but I figured - why not try a different combination of equipment??? If the tensors don't end up feeling right I can always go back to the indys (they have some life left in them still). All this sorta stuff in regards to finding the "right" gear exists on an individual basis and is different for everybody, for example I know how much I enjoy the low pros (with indys), but i reckon I've got nothing to lose by trying some new trucks.

      I also can't see myself approaching any loading docks in the near future so I'm sure the tensors will do a decent job!!! and as far as skating "better" goes - I personally consider that to be secondary in regards to the primary objective of enjoying myself and having decent skate with my buddies

      Cheers - Daniel

    5. Taking on The Bertrand is a losing battle when you want to talk about scientific details and physics about skateboarding. It's what the guy is all about, he is the master of the geometry and physics of skateboarding above most nerds in any field.
      It's nice to see debating words on here though. Breaks up the smiles we all have from being here enjoying ourselves on this rad page. Ha!:P Luv U guys. Keep smilin!

  12. Bertrand, thank you for your scaling and measurements. Each time I search for a technical information about trucks, I will always ending up to this site.

    I was looking the kingpin clearance measurement for tensor 10's lo mag light. I assume the measurement is the same as the tensor 10's lo mag.

    I'm a fan of this site for a long time and this is my first post to show the appreciation to your hard work. I bet the are many people like me that just like to read your post rather than to write something in reply because of shyness.

    I bet the skateboarders around the world benefit much from this site. Skate One already hearing what you go to say about their trucks.

    Your technical mesurements and comments about trucks are being heard around the world. Thank you again for your big contributions in the world of skateboarding.

  13. Please, The Bertrand, do You know how high regular tensor trucks are?

    1. Regular Tensor trucks are 52 mm in height. I maintain an extensive truck measurement database here:

  14. Hi, I know that your testing is not done yet but could you give some initial impressions? I'm in a position where I can easily get the mag lights but have to order international for indy hollow/titanium or thunder and I am concerned about the durability of the mag lights given how your reviews of the magnesium r1 and r2 were not kind, so to speak :)

    Get mag lights or import some indy hollows?

    1. In brief, the Tensor Tens are solid trucks. The Ten trucks have none of the quality issues I found in the Response trucks. Durability is top-notch, right up with Independent and Thunder.

      I skated the Tens for one season, and they held up well. The lightness reduced fatigue, the magnesium grinds easily. The pivot bushing stayed in good shape for the entire time; there were no cracks or bulging. With the stock kingpin bushings, the trucks would stick in a turn after bailing from a trick. After about 1 week of skating the stock bushings, I put Bones medium bushings in the trucks, but the rear truck was a little too loose, so I put Bones hard bushings in back. That's how I skated the Tensor Tens for the rest of the season. I had nice locks ground into the trucks, and I liked how they never hung up. The magnesium ground particular well on metal; trucks are often slippery on metal coping from time to time, but the magnesium had just enough grip on the metal that there weren't any unexpected side-to-side slipping.
      On past Tensors, the stamped logo on the pivot point caused the trucks to stick on nose slides, but the Tens with the painted logo on the pivot points slid smoothly from the beginning.
      I am a really big guy - 6'2" and 230 lbs - and I had no durability issues with the trucks. Nearly all truck axles bend a little bit - you want a flexible axle that bends instead of breaking - and my Tensor Ten trucks had minimal axle bending well within the norm. The axle bend I measured on the Tensors was on par with what I've seen from Independent, Thunder, and Venture = minimal bending and no further bending after break-in (break-in period of about 1 week). I couldn't see the bending by looking at the trucks, I had to put them in a jig to measure the bend. I certainly didn't feel the bend when I was skating the trucks. Everything felt normal from start to finish.

  15. Hi, I'm current using the tensor mag 10 low with a mid bones bushing & 51mm wheels. I'm happy with everything except easily getting a wheelbite. Im getting frustrated with it because it kept messing up my tricks. I wanna ask for ur advice, should I change my wheels to a smaller size like 49 or 50? Or should I get some other low trucks.

    1. Try replacing the bottom (boardside) bushing with a "tall barrel" longboard truck bushing with hardness around 92-95a durometer. I recommend Venom "downhill" bushings in green or red.

  16. Hi, i have owned a pair of mag light 5.25 black tensor trucks for two months now, they are the first tensors i have ever skated. i am a medium skilled skater, i like to ride street, park and some rails. When i first got them they rode horribly, the standard bushings were squishy, the trucks would stay locked to one side after landing a trick and the turning circle was non existent. I then put bones hard bushings in and tightened them right up as i may have well just been riding solid trucks anyways. Riding them super tight made my flip tricks super consistent, but it was impossible to ride bowls or carve. All the axles bent within three skates, then finally one of the hangers cracked all the way round. trying to seek warranty on them but am not hopeful. Will skate them again if i receive another pair as they were good for grinds, pop and flip tricks. but this time i wont put them on an everyday board because i think they have very low durability. I have two pairs of thunders on my other decks, which have been faultless, but they are heavy. Hope you find my comments helpful.

    1. Thanks, that's helpful. One thing I've always noticed about magnesium Tensors is that they wear down much quicker than aluminum.

  17. I'm normally used to independent and thunder trucks. For some reason it seemed like my ollies were lower and it was just harder to do just about most tricks for me. I'm used to standard trucks. Do you feel the lightness takes away from the momentum of your tricks?

  18. I'm normally used to independent and thunder trucks. For some reason it seemed like my ollies were lower and it was just harder to do just about most tricks for me. I'm used to standard trucks. Do you feel the lightness takes away from the momentum of your tricks?