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  1. #1
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    Carbine? Smashing lower pivot

    So I noticed some paint missing on the lower pivot and realized that since I run a 30t ring the pivot is well below the ring, added a 32t bash but still hitting frame when going over logs. What are people doing to protect the frame, where the paint is chipped off is carbon so that worries me.
    Attached Thumbnails Attached Thumbnails Carbine? Smashing lower pivot-image.jpg  

    Carbine? Smashing lower pivot-image.jpg  


  2. #2
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    just looked at mine, some marks on one side, but pretty minor not worried at this point, but worth watching. Couple ideas come to mind, some clear bra material or some of the foam guard material Intense uses or clear nail polish. None would be that permanent, but should do the trick and just re-apply as needed. last would be jumping those pesky logs you keep hitting

  3. #3
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    I covered mine in double thick Mastik tape. If you have ISCG tabs you could add a taco. Either MRP or E-13 makes a taco that will do the trick.

  4. #4
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    I'm not as comfortable hopping the Carbine as I do on my RFX or any of my old Banshee bikes, not sure if its the bigger wheel size or the vpp suspension. I do try though.

  5. #5
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    Quote Originally Posted by kburati View Post
    I'm not as comfortable hopping the Carbine as I do on my RFX or any of my old Banshee bikes, not sure if its the bigger wheel size or the vpp suspension. I do try though.
    I was being a smarta$$ with that portion of the comment. good luck and thanks for the original post, as it made me check my bike and will watch to see if steps to protect that area are needed.

  6. #6
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    My guess is that it's from a few small side impacts when trying to steer the back wheel around obstacles. Your wheel and guard most likely contact before the link, unless you are stalling on top of the log.

    You could also get a bigger guard ring.

  7. #7
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    I don't think it's from smashing the ground, but from stuff getting chucked by the front wheel.

  8. #8
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    Carbine? Smashing lower pivot

    I made this link protector up from a piece of UHMWPE ( petex). You could use a plastic cutting board or delrin.

    I Cut the shape on a bandsaw then beveled the edges with a belt sander. It's mounted to the grease port fitting threads. I just removed the fittings and used screws to hold on the skid. Easy enough to pull it off when I want to grease the linkage.

    May not need it, but it gives some piece of mind.



  9. #9
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    Hobine, can you re-post the photos? Has anyone found a bash guard that does the trick?

    I emailed Intense and they suggested mastic tape, which I've been using. I don't think it helps much. One of my pivots is smashed up pretty good. It's amazing what that carbon will take, but I'm starting to get scared it's only a matter of time before something bad happens...

  10. #10
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    Don't know why they vanished. Try again.

  11. #11
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    upload the photo to mtbr ... photophucket is blocking your picture. ( i could see the thumbnail when i linked over to PB )

  12. #12
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    Carbine? Smashing lower pivot


  13. #13
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    Quote Originally Posted by Hobine View Post
    Hobine, what size screws work in that grease port? There is a couple of roll-ins i don't do on my Carbine because i tap that lower link and carbon. Would be nice to ride them again.

  14. #14
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    Carbine? Smashing lower pivot

    Typical zerk fitting thread size is 1/4-28. There are M6 fittings to. I think Intense used the 1/4-28 fittings because the M6 screws I used weren't a perfect fit.
    I re-tapped the holes to M6.
    To grease, I just pull the screws out and squirt grease in with an injector.
    Over 1300 miles on that protector so far. Only change I made was to drill a big hole in the center of it, as a lot of dirt was getting hung up in between.

  15. #15
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    Pretty cool. re-tapping the zerk fitting is probably not on my short list of things I want to do ... but definitely interested in the idea.

    I do wonder, is the key bit really just the lower part? In that case maybe just the area I highlighted would suffice?
    Carbine? Smashing lower pivot-127459ddbb7c48faf17869d8def4365e_zpsdeb63ca1.jpg

    I guess I might be a bit worried about what would happen if the protector got caught and ripped away at the screws. (Although if you say 1300 miles w/out incident, maybe that concern is not a real-world one)

  16. #16
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    I was thinking the same. This cover looks like it would do the job, but not real excited about re-tapping the threads... Carry on, this is extremely helpful!

  17. #17
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    I made a skid plate out of sheet aluminum (Home depot racing supply) that just covers the carbon bits. It's held on with some auto trim adhesive tape...

  18. #18
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    let's see it!

    Also: "auto trim adhesive tape" - I'll assume that's very strong double sided tape.

  19. #19
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    Quote Originally Posted by SSearchVT View Post
    I made a skid plate out of sheet aluminum (Home depot racing supply) that just covers the carbon bits. It's held on with some auto trim adhesive tape...
    I tried that with pcv and it came off right away

  20. #20
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    Carbine? Smashing lower pivot-p1000959.jpgCarbine? Smashing lower pivot-p1000963.jpg
    The grease nipple thread is 1/4"-28. I couldn't find them in machine head at Lowe's or Homedepot so I ordered a bag of them in 1" stainless. If you want a few email me couple of bucks and I will send you a couple of sets, i gots 98 left. The cutting board i used was 1/4" thick and I was applying enough heat to brown it but still could only get like a 15 degree bend in it. I will would like to get better coverage over the carbon and may try a thinner cutting board later. Will test it out sometime this week to see if i still scrape the carbon.

  21. #21
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    Carbine? Smashing lower pivot-20150411_130250.jpgBeen having fork problems so really haven't tested the plate, only light to medium scraping. Need a stronger cutting board or a step up to delrin.

  22. #22
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    interesting...looking at my carbon Tracer this linkage hangs lower than the chain ring as well. Not as far but nonetheless it hangs. I may set up a skid plate as well.

  23. #23
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    Dirt bikes use aluminum for skid plates. Easy to bend to fit and easy to drill holes in.

  24. #24
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    Carbine? Smashing lower pivot

    Just finished my own version. Did not want to mess with the grease fittings so i zip tied it ti the box link.

    Ill see how this works and get some black delrin as final product.

  25. #25
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    Piperpilot: How's it working? That's certainly the nicest looking piece I've seen. What kind of material did you use, and where did you get it?

  26. #26
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    Thanks...essentially 1/4" HDPE sheet. Playing with Delrin now, but not loving its properties.

  27. #27
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    Has anyone tried to fabricate a plate w epoxy resin and kevlar/s-glass? I might give it a go. Could make a mold from the link and have a great custom formed light and strong guard.

  28. #28
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    Hitting that lower pivot finally had it's toll and I'm not sure any of the guards shown in this tread would have helped as the damage shown here is above the pivot in the lower triangle. Never hit any rocks but too many times catching logs on it finally was too much. I ran a 1x with a 30t front ring, even with the bash it didn't help. Being the first year of 275 for the Carbine there were no ISCG holes so could never run a taco. If you have a newer Carbine with ISCG holes or a Tracer 275c I would highly recommend mounting something to protect that entire lower pivot area from impact, more than just a guard over it. Maybe something like this? XCg (V2) ? MRP


  29. #29
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    Damn, that's brutal. I love my Carbine, but that's a serious design flaw. I've emailed Intense about this, and their fix is to put some mastic tape on the eyelets. Works cosmetically, but sure wouldn't help in your situation.

    Are you going to get a warranty replacement?

  30. #30
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    They've discontinued the Cabine but have a few rear triangles left in last year's bumblebee color. Won't match but I don't have much choice. The other option I was given was to upgrade to the 275c for $2K. Since I only paid $2,300 for the Carbine frame in the first place I don't think I'll be doing that as it has the exact same design problem with the lower pivot. I made a pic from online frame shots of the 6 VPP designs I know and you can clearly see on the Carbine, 275c and SC Tallboy LT how that lower pivot dangles way too low. Bronson, 5010 and V10 don't appear to have that problem.


  31. #31
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    Damn, I thought the warranty was for five years? Seems like they should keep some rear triangles in stock until all the frames they've sold are past the warranty date. Either that, or just plan on giving people T275c frames for warranty. I'm kinda scared now, I've gotten two new rear triangles in the last 6 months! Hope I don't run into this problem if I need another.

  32. #32
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    Quote Originally Posted by Skelldify View Post
    Damn, I thought the warranty was for five years? Seems like they should keep some rear triangles in stock until all the frames they've sold are past the warranty date. Either that, or just plan on giving people T275c frames for warranty. I'm kinda scared now, I've gotten two new rear triangles in the last 6 months! Hope I don't run into this problem if I need another.
    It's anyone's guess what they do once they run out of rear triangles. Warranty is 5 years but I get the feeling they aren't going to be giving T275c frames away.

  33. #33
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    Quote Originally Posted by kburati View Post
    I made a pic from online frame shots of the 6 VPP designs I know and you can clearly see on the Carbine, 275c and SC Tallboy LT how that lower pivot dangles way too low. Bronson, 5010 and V10 don't appear to have that problem.
    That is the difference of VPP generation 2 vs. generation 3. VPP 2 has the low placement of the pivot, the other bikes are Gen 3.

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