Eccentric Reassembly
I hear a squeek/grind coming from our 2004 Trek T-2000 that we've narrowed down to coming from the front BB area. It developed during a rain ride. Well, I guess it could still be a loose chainring on the captain's cranks, or timing chain ring on the rear cranks, or a loose crank arm of the front set. But I guess I'll start with the BB bearings and eccentric.
I plan to try disassembling the cranks and eccentric to clean and regrease. I found this: http://www.tandembicycling.com/439/t...bottom-bracket, which looks helpful. However, did I hear somewhere that some Teflon tape should be used when reassembling a BB or an eccentric? Not sure. |
Lots of ideas back here. On our bike there was a little paint in the BB housing. This caused a squeak at 12000 miles.
I know a guy who's similar squeak turned out to be a broken frame (carbon fiber-single bike), but I really doubt that's your problem! I've never used teflon tape. I prefer a LIGHT coating of anti-seize, but a light coating of grease is easier to work with. Bushnell has an article on the list of things to grease to eliminate noises. |
FSA recommends Teflon tape on the bottom bearing brackets, the ones that screw into the bottom bracket.
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Have never used teflon tape for BBs.
However, go with manufacturer's instructions. Squeaks are darn hard to isolate. |
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