Advertise on Bikeforums.net



User Tag List

Results 1 to 16 of 16

Thread: Stripped my hub

  1. #1
    Just Do It ! VeganRider's Avatar
    Join Date
    Jun 2004
    Location
    United States
    My Bikes
    Litespeed Ti, Trek Carbon.
    Posts
    852
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    What do I do now? Bought an '05 Pista last month, two days ago I had LBS change the 16 tooth and put on an 18 tooth. Now the threads that the lock nut go on are stripped out. Damn it. Am I right to assume it's just a cheap hub and the larger cog put more torque on the threads against the nut and caused it to strip? What now? A better wheel set? I put the origonal 16 tooth cog on the other side of the flip flop hub. Is this common as problems go? If I sound dumb about this it's only because I am, sorry just another newbe. thanks......
    Last edited by VeganRider; 02-12-05 at 11:18 PM.

  2. #2
    無くなった HereNT's Avatar
    Join Date
    Mar 2004
    Location
    Sci-Fi Wasabi
    My Bikes
    I built the Bianchi track bike back up today.
    Posts
    5,073
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Two days ago? I'd take it back to the shop. At least see what they say.

  3. #3
    hang up your boots ostro's Avatar
    Join Date
    Aug 2004
    Location
    San Francisco
    My Bikes
    84 Pinarello, Trek Liquid 30, Torker CX 24, Gromada Track
    Posts
    1,574
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    I would take it back and tell them that they did a poor job and that they owe you a new hub. Maybe the mechanic at the LBS has never worked on a fixed hub before and tried putting the lockring on against the threads. If this is the case i would be outraged, this could have caused you serious bodily harm had it failed on you in a dangerous situation.

  4. #4
    Member
    Join Date
    Feb 2005
    Posts
    30
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    The threads on that hub are prob. not machined very well. Good thing it died and not you. Invest in a good hub, and possibly have the BB checked on your bike. We had problems with them at the shop I used to work at. Seems that the factory did not always tighten them, and lots of shops do not pull the cranks and check before they sell that bike.



    Buy a level hub. www.levelcomponents.com and never strip a hub again.

  5. #5
    cripple gally99's Avatar
    Join Date
    Jul 2003
    Location
    all up in ya grill...
    Posts
    467
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    a bigger cog should make skidding easier on the hub...
    i would guess that the shop didn't tighten the lockring down enough...
    if the lockring leaves room for just a little play for the cog, every time you skid you're slamming that cog sideways into the lockring...
    whether it's a shoddy hub or not, the shop should be helping you out with a new one...

  6. #6
    SuperstitiousHyperrealist jinx_removing's Avatar
    Join Date
    May 2004
    Location
    Boston
    My Bikes
    unknown road conversion, half built Benotto track
    Posts
    433
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by HereNT
    Two days ago? I'd take it back to the shop. At least see what they say.

    Agreed. As a Pista owner I would say the stock hubs aren't that bad. Sure, you can get better but they aren't total garbage. I would talk with the folks at your LBS. Sounds to me like someone hamfisted your lockring on.

  7. #7
    Dog is my co-pilot 2manybikes's Avatar
    Join Date
    Jun 2003
    My Bikes
    2 many
    Posts
    13,946
    Mentioned
    5 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by VeganRider
    What do I do now? Bought an '05 Pista last month, two days ago I had LBS change the 16 tooth and put on an 18 tooth. Now the threads that the lock nut go on are stripped out. Damn it. Am I right to assume it's just a cheap hub and the larger cog put more torque on the threads against the nut and caused it to strip? What now? A better wheel set? I put the origonal 16 tooth cog on the other side of the flip flop hub. Is this common as problems go? If I sound dumb about this it's only because I am, sorry just another newbe. thanks......
    What first gave you an indication that the locknut threads were stripped? were you removing the locknut?
    Or was it loose?

  8. #8
    Member
    Join Date
    Feb 2005
    Posts
    30
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Excellent question. 2manybikes has been a mechanic I would guess. I know the Bianchi hubs are not "that bad" but because the threads cut into them are not as well machined as a philwood, paul, or campy hub, they do not grab a lock ring aswell, or a cog. The more you remove and change the lockring the more you risk stripping.



    Never strip a hub again. www.levelcomponents.com

  9. #9
    cyclist/gearhead/cycli... moxfyre's Avatar
    Join Date
    Oct 2004
    Location
    DC / Maryland suburbs
    My Bikes
    Homebuilt tourer/commuter, modified-beyond-recognition 1990 Trek 1100, reasonably stock 2002-ish Gary Fisher Hoo Koo E Koo
    Posts
    4,172
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    According to Sheldon Brown, the problem is usually with cheap cogs rather than cheap hubs. The cheap cogs have a shorter threaded section, which puts more stress on the threads... since the hub is Aluminum and the cog is Steel, the cog will tear up the hub. That's why you should use a good quality cog.
    My bikes | Linux and Python stuff | Photo gallery

    Sheldon Brown, I miss you. Thanks for the advice, ideas, humor, and infectious enthusiasm for everything bikes...

  10. #10
    Dog is my co-pilot 2manybikes's Avatar
    Join Date
    Jun 2003
    My Bikes
    2 many
    Posts
    13,946
    Mentioned
    5 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by fixed4life
    Excellent question. 2manybikes has been a mechanic I would guess. I know the Bianchi hubs are not "that bad" but because the threads cut into them are not as well machined as a philwood, paul, or campy hub, they do not grab a lock ring aswell, or a cog. The more you remove and change the lockring the more you risk stripping.



    Never strip a hub again. www.levelcomponents.com
    I just cliked on the link to the level stuff. Is that you? What town are you in?

  11. #11
    Just Do It ! VeganRider's Avatar
    Join Date
    Jun 2004
    Location
    United States
    My Bikes
    Litespeed Ti, Trek Carbon.
    Posts
    852
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by moxfyre
    According to Sheldon Brown, the problem is usually with cheap cogs rather than cheap hubs. The cheap cogs have a shorter threaded section, which puts more stress on the threads... since the hub is Aluminum and the cog is Steel, the cog will tear up the hub. That's why you should use a good quality cog.
    Hi, I think your right on. This LBS is one of very few that understands, has, and respects fixed gear in my area. He did say that Soma lock nuts have a much more deep machined thread, he said they dig into the hub thread and that once they are on they are hard to get off. Oh well.The cheap nut was the one that came with the cheap bike, the LBS had nuts on order. Maybe I should lay off on the skidding till I get a different nut for the side that is still ok.
    Last edited by VeganRider; 02-13-05 at 03:41 PM.

  12. #12
    King of the Hipsters
    Join Date
    Jan 2005
    Location
    Bend, Oregon
    My Bikes
    Realm Cycles Custom
    Posts
    2,127
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Well, my Pista should have arrived Friday.
    It didn't, but I'll count that as a good thing since reading this thread.

    I ordered my Pista with two cogs: the factory 16t cog and an 18t cog on the other side.
    I asked my lbs to match the make of the second cog with the factory cog.
    Intuition, eh?

    Anyway, I wonder what, specifically, I should ask my lbs about the assembly of my Pista.

  13. #13
    cxmagazine dot com pitboss's Avatar
    Join Date
    Jun 2003
    Location
    WI
    My Bikes
    Titus road, Fort CX
    Posts
    8,270
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    if they stripped out your hub, you should really consider violent retaliation. Or a burrito. Kev got me thinking about burritos, now I am stuck.
    Deathlap - cyclocross, training, beer,...escape hatch

  14. #14
    Senior Member
    Join Date
    Jul 2004
    Posts
    153
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    a steak burrito

  15. #15
    Direct Hit Not Required BlastRadius's Avatar
    Join Date
    Nov 2003
    Location
    San Bruno, CA
    My Bikes
    Pinarello Galileo, Bianchi Alloro, Guerciotti Cross Force, Iron Horse Hollowpoint MKIII
    Posts
    6,190
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Carnitas or bust.

  16. #16
    Beausage is Beautiful Fugazi Dave's Avatar
    Join Date
    Oct 2003
    Location
    Chicago, IL
    My Bikes
    2006 Langster, which I actually like.
    Posts
    5,456
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Dare I suggest a gordita?

    Definitely bring it to the attention of the shop guys as something they are responsible for.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •