Quote:
Originally Posted by Black Dog
Not true. The clicking is real and can and does happen when the faces are perfectly parallel. I can attest to this. My BB is perfectly square/parallel and the threads were also perfectly cut, yet I had the clicking. The width of the shell was a bit undersized. The newer cups seem to have changed design and eliminated the clicking that rougemechanic talks about. When I put a new set of cups on I did not need the extra wavy washer. An extra wavy washer or shims was the only cure for shells that were a bit under width with the older cups to solve the clicking issue.
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Rougemechanic preaches putting the shim in the wrong place for undersized shells. If the shell is truly undersized, the shim should go on the bb face. Using two wavy washers or shims in the cups changes preload.