Bicycle Mechanics - Friend has some BB problems
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09-07-10, 11:34 PM
Basically, his BB is not aligned. The right side is "popping" out and makes the crank all sketchy. Here's a convenient diagram:
How would we fix this? Thanks!
09-07-10, 11:44 PM
Is there play in cranks? Who installed the BB? Which BB is it? What makes it sketchy? I installed a new Shimano BB on an older bike and the cup sticks out a bit installed with the specified torque.
09-07-10, 11:47 PM
There is a lot of play. Like the cranks will stop spinning when rotating it half way. The BB was already installed, but I guess it popped out?
09-07-10, 11:50 PM
Post in the Mechanics forum.
09-07-10, 11:51 PM
Let me guess, Shimano plastic cup BB?
Or it's a cup and cone with a loose/missing lockring, had to say from a sketch. Need a real picture.
09-08-10, 06:03 AM
Moved to Mechanics.
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