Cross threaded/stripped bottom bracket - Bicycles Stack Exchange - stripped bottom bracket

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stripped bottom bracket - Stripped bottom bracket shell - Pinkbike Forum


Jun 05, 2012 · Stripped bottom bracket shell in Mechanics' Lounge. roxovanos wrote: So like he's got to grease up the cup and try to thread it in CLOCKWISE for . May 22, 2009 · its pretty buggered. you can push the bottom bracket in by hand (without turning it). i'm using a 68/118 shimano bb, which doesn't have a very long thread section. i might see if i can find a bb with a much longer thread section. i didn't think a helicoil in that thread size would be very common.

May 22, 2009 · Stripped bottom bracket! JB Weld or ok, just a little background, I've got a specialized FSR XC (2000ish vintage) that I had powder coated, replaced hardware, etc. I'd had people check out the frame and tell me it was good to go before I did any of this work. I go to have the bottom bracket installed and, apparently it threads in but won't. Sep 16, 2018 · The frame was aluminum but the old bottom bracket was steel and had rusted so badly that I actually had to use an impact wrench to get it out. Once I finally got the old bottom bracket out, I realized that all of the aluminum threads from the bottom bracket shell came out with the bottom bracket.5/5(8).

After I stripped the threads on my bike like a moron, this saved the day. It is an affordable and easy solution. It is imperative that you have two shimano bottom bracket removal tools to install this. They are relatively inexpensive and you need them. This repair bottom bracket must be really tightened down.4.2/5(15). Nov 14, 2012 · You probably didn't remove material when you cross-threaded the bottom bracket shell in. If it's a steel frame, you can cut new (correct) threads with the correct taps. The taps are quite expensive, (they have to line up, and one is upside down, find a shop or local framebuilder who has one.

Mar 10, 2010 · Depending on how badly you've damaged it, a bike shop may be able to re-tap the thread for you. Failing that, if you have a square taper type bottom bracket it is possible to buy a bottom bracket that effectively clamps against the frame, screwing to itself father than the bottom bracket thread. Jun 02, 2008 · Bottom Bracket threads Stripped So i was on the trail today, and right as we were aproaching the parking lot my crank started to knock against my rear swingarm. I immediatly stopped to see what was up, and it appeared as if my bottom bracket had come unthreaded.