Stripped crank threading
07-05-09, 07:37 PM
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Stripped crank threading
Ok i wanted to replace a front chain ring. When i went to pull off the crank i ended up stripping the cranks threads (which has happened to me on 2 other bikes, very annoying). How can i change that chain ring? Can I still remove the whole bottom bracket?
My middle chain ring practically has no teeth left.
My middle chain ring practically has no teeth left.
07-05-09, 08:50 PM
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With most cranks you don't need top remove the arms to replace the rings.
What kind of crank do you have? 22.0mm x 1.0mm is the most common thread for the extractor threads. If they're not totally shot, a thread chaser might make them usable again.
What kind of crank do you have? 22.0mm x 1.0mm is the most common thread for the extractor threads. If they're not totally shot, a thread chaser might make them usable again.
07-05-09, 09:44 PM
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You'll find some good suggestions on this recent thread.
https://www.bikeforums.net/bicycle-mechanics/531810-puller-threads-crank-arm-stripped.html
https://www.bikeforums.net/bicycle-mechanics/531810-puller-threads-crank-arm-stripped.html
