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Thread: Ask the experts

  1. #4776
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    Nov 2009
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    Quote Originally Posted by climberevan View Post
    A grinder with an abrasive disc goes through a carbon steerer like butter. An old stem makes a perfect guide. Just do it outside and hold your breath for the 3 seconds it takes.

    Sent from my SM-G970U1 using TGR Forums mobile app
    Also, make sure to squint your eyes really tight, you know, just in case that grinding wheel shatters.

  2. #4777
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    Aug 2002
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    Quote Originally Posted by HAB View Post
    Alternately, it also falls into the category of "tools that are basically a slightly easier to use ruler". I have a good ruler already.
    Sure, but for $11 pretty sure that's worth my $/time to just drop it in and get a go/no-go on my 5 bikes I actively ride most of the year.
    https://www.parktool.com/product/cha...dicator-cc-3-2

  3. #4778
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    Dec 2008
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    Ask the experts

    Quote Originally Posted by s_squatch View Post
    Also, make sure to squint your eyes really tight, you know, just in case that grinding wheel shatters.
    I did it outside with a mask and safety glasses. Used Dee’s lock on grip trick to trim a bar.

    Hope I didn’t make it too short!


    Sent from the Utility Muffin Research Kitchen
    Last edited by ticketchecker; 06-02-2021 at 06:52 PM.

  4. #4779
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    Oct 2010
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    Ask the experts

    Does this look like impact damage? Sold these two months ago on eBay and the buyer is trying to say they’re defective.

  5. #4780
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    Dec 2007
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    Everything's defective if you smash it into a rock hard enough.

    (Yes, looks like impact damage)

  6. #4781
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    Mar 2008
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    northern BC
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    In a bold move you could just lash out and buy a go-no-go chain checker for < 20$ or just change chains yearly or sft

    bike stores should be too busy making money to do shit for free, so they will still be there next year



    edit: except for me, I want a deal and the free shit done of course
    Last edited by XXX-er; 06-02-2021 at 07:50 PM.
    Lee Lau - xxx-er is the laziest Asian canuck I know

  7. #4782
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    Oct 2006
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    Quote Originally Posted by s_squatch View Post
    Also, make sure to squint your eyes really tight, you know, just in case that grinding wheel shatters.
    Safety squints!

  8. #4783
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    Quote Originally Posted by abraham View Post
    Safety squints!
    Almost as good as the shoulder shrug to protect your ears from the loud noise about to happen.

  9. #4784
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    Oct 2010
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    Ok the carbon rim manufacturer concurs the damage is from a crash, not any manufacturer defect. Any bets on whether this guy will win his PayPal dispute two months after purchase and having admitted using the wheels?

  10. #4785
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    Feb 2013
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    Quote Originally Posted by Falcon3 View Post
    Ok the carbon rim manufacturer concurs the damage is from a crash, not any manufacturer defect. Any bets on whether this guy will win his PayPal dispute two months after purchase and having admitted using the wheels?
    He said the tires damaged his wheels?! WTF? Yeah it looks like impact damage!

  11. #4786
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    livin the dream
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    Quote Originally Posted by Falcon3 View Post
    Does this look like impact damage? Sold these two months ago on eBay and the buyer is trying to say they’re defective.
    Are you a shop/dealer or was this a personal sale?


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  12. #4787
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    Oct 2010
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    Ask the experts

    Personal sale, indicated that on the sale listing, no warranty. Sounds like the buyer is easing off his PayPal dispute intentions. I think it helped I attached the email from the manufacturer stating the photos showed a crash/impact failure not a manufacturer defect.

    I’m trying to get a replacement rim from the manufacturer, if that fails I’ll probably kick a few bucks back to the kid to help cover the wheel build for his new rim he has to buy.

  13. #4788
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    Sep 2006
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    Seattle
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    Quote Originally Posted by Falcon3 View Post
    Personal sale, indicated that on the sale listing, no warranty. Sounds like the buyer is easing off his PayPal dispute intentions. I think it helped I attached the email from the manufacturer stating the photos showed a crash/impact failure not a manufacturer defect.

    I’m trying to get a replacement rim from the manufacturer, if that fails I’ll probably kick a few bucks back to the kid to help cover the wheel build for his new rim he has to buy.
    Very nice of you to do that. The reason you buy new is for a warranty and coverage in situations like this - it is from a crash and he bought used that is his problem. But again, very nice of you to do that.

    I know this when I buy used and don't understand how other buyers don't. Sometimes it is good to decline a sale if someone seems a bit squirmy or cheap. Usually the person who just says I'll take it and pays asking price isn't the type of person to pull this kind of stuff.

  14. #4789
    Join Date
    May 2012
    Location
    People's Republic of OB
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    4,407
    ^^^ Reminds me of a fork I sold in the "dorp to falt" era of the early 2000s on Pinkbike. A few weeks later I get an email from the kid who bought it asking why the fork is topping out. Then another claiming other issues saying this is unacceptable and demanding a refund. In the meantime I found pics he'd posted of himself on PB hucking off loading docks to flat and even a pic hucking off the roof of a building. The newer pics showed the fork in question on his bike. Um yeah, that might have something to do with it topping out.

  15. #4790
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    Oct 2003
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    Aspen
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    Ask the experts

    Edit.

  16. #4791
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    Jan 2008
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    livin the dream
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    Quote Originally Posted by Falcon3 View Post
    Personal sale, indicated that on the sale listing, no warranty. Sounds like the buyer is easing off his PayPal dispute intentions. I think it helped I attached the email from the manufacturer stating the photos showed a crash/impact failure not a manufacturer defect.

    I’m trying to get a replacement rim from the manufacturer, if that fails I’ll probably kick a few bucks back to the kid to help cover the wheel build for his new rim he has to buy.
    As long as you didn’t misrepresent the product in the description; I’d have a hard time seeing PayPal/eBay siding with the buyer... I’ve been fucked by eBay before though.


    Sent from my iPhone using TGR Forums
    Best Skier on the Mountain
    Self-Certified
    1992 - 2012
    Squaw Valley, USA

  17. #4792
    Join Date
    Jul 2008
    Posts
    3,673
    What’s the deal with this “straight head tube” thats on these transition bikes, does that mean a new fork steerer standard? They still take tapered? New headset standard? Why do they accommodate Angleset better than whatever’s on every other bike?
    Do I detect a lot of anger flowing around this place? Kind of like a pubescent volatility, some angst, a lot of I'm-sixteen-and-angry-at-my-father syndrome?

    fuck that noise.

    gmen.

  18. #4793
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    Jan 2019
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    Quote Originally Posted by volklpowdermaniac View Post
    What’s the deal with this “straight head tube” thats on these transition bikes, does that mean a new fork steerer standard? They still take tapered? New headset standard? Why do they accommodate Angleset better than whatever’s on every other bike?
    It's the same diameter as one of the really common tapered headtube lower cups, just on both ends. Not really a new standard, and at most it's just a different upper headset cup than normal. It gives you room to do an angleset without having to go to an external top cup. I'm into it.

  19. #4794
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    Jan 2005
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    Access to Granlibakken
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    So I’m generally pretty good at tracking down creaks but this is a difficult one. My 150/160 29er has a carbon frame with a fully integrated headset, maybe 2500 miles on it. Creak is now noticeable riding whenever front wheel hits a square edged rock small or large. Creak happens as well if you just pick up the bike and drop it from a foot high.

    FSA headset bearings spin smooth and seem like new. All interfaces (crown race, headset, all stem bolts, axle, etc) have been cleaned and regreased. When fork was put in a big ass vise yesterday, my 190 lbs couldn’t induce a creak in any direction (manitou has very good rep for not gett8ng the CSU creaks of a Fox or occasionally RS). Cables and brake lines entering the front of frame were cleaned and silicone sprayed.

    The only small thing I noticed was that the aluminum compression (aka Split) ring between steerer and bearing is scored and slightly pitted. This style of headset uses a tall compression ring, so the usual rings (cane creek 40 or 110) won’t fit.

    Any ideas on what to try next?

  20. #4795
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    Aspen
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    Quote Originally Posted by frorider View Post
    So I’m generally pretty good at tracking down creaks but this is a difficult one. My 150/160 29er has a carbon frame with a fully integrated headset, maybe 2500 miles on it. Creak is now noticeable riding whenever front wheel hits a square edged rock small or large. Creak happens as well if you just pick up the bike and drop it from a foot high.

    FSA headset bearings spin smooth and seem like new. All interfaces (crown race, headset, all stem bolts, axle, etc) have been cleaned and regreased. When fork was put in a big ass vise yesterday, my 190 lbs couldn’t induce a creak in any direction (manitou has very good rep for not gett8ng the CSU creaks of a Fox or occasionally RS). Cables and brake lines entering the front of frame were cleaned and silicone sprayed.

    The only small thing I noticed was that the aluminum compression (aka Split) ring between steerer and bearing is scored and slightly pitted. This style of headset uses a tall compression ring, so the usual rings (cane creek 40 or 110) won’t fit.

    Any ideas on what to try next?
    Take the front wheel off. Twist the lowers slightly. I bet you hear a creak, likely from the stanchion/crown interface.

  21. #4796
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    Mar 2008
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    northern BC
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    on carbon you wana use the carbon paste ime

    On new yeti 5.5's my buddy & I had creaking seat posts, I tried grease/ lube/ wax chain lube/ teflon pipe tape/ every fucking thing and nothing could make it go away

    until the carbon pas
    Last edited by XXX-er; 06-03-2021 at 10:07 PM.
    Lee Lau - xxx-er is the laziest Asian canuck I know

  22. #4797
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    Quote Originally Posted by funkendrenchman View Post
    Take the front wheel off. Twist the lowers slightly. I bet you hear a creak, likely from the stanchion/crown interface.
    Nope. Remember, the fork was removed and put in a vise to induce any possible creaks from steerer/crown or crown/stanchion interfaces….and no creaks could be found. This is the test bike shops usually do to justify warranty on CSU.

    With wheel off, this creak can’t be induced by twisting force on fork. It happens when the headset area is loaded

  23. #4798
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    Quote Originally Posted by XXX-er View Post
    on carbon you wana use the carbon paste ime
    yup good suggestion—carbon paste is essential for press fit BBs and headsets in carbon frames. Sorry I didn’t mention that I tried this already.

  24. #4799
    Join Date
    Nov 2005
    Posts
    8,318
    Is there a trick to make it easier to pop the seals out of a Rockshox fork? Yari in this case, and SRAM says to use a "downhill tire lever" which they show as full metal. I'm trying a couple wrenches, but it's got me wondering about denting this thing.

  25. #4800
    Join Date
    Feb 2013
    Posts
    2,625
    I did my ~2015 Pike with a flathead screwdriver and didn't have a problem.

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