Bicycle Mechanics - Cassette or freewheel problem

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rhputt
05-28-07, 07:37 PM
I have a mtn. bike that is having drivetrain problems. Whenever I coast the cassette wants to continue to spin forward and results in throwing the chain over the top. I can say that I haven't been the best about cleiang the drivetrain but I lube it often.

New chain and cassette?

Do I have a freewheel problem?

Just need a clean and lube?

Any suggestions?

Putt

barba
05-28-07, 07:47 PM
I think you mean a freehub problem. If you push the bike forward do the pedals turn?
z415
05-29-07, 02:02 AM
Sounds like you need a new rear hub. I've heard stories of the freehub body seizing up and I don't know if it can be fixed.

rhputt
05-29-07, 05:23 AM
I think you mean a freehub problem. If you push the bike forward do the pedals turn?
yes exactly.
barba
05-29-07, 05:43 AM
yes exactly.

You could see if a shop could just lube it up, but there are also replacement freehubs available. I have never tried to service one myself, so I can't be much help. Here is the link to the Park instructions:
http://www.parktool.com/repair/readhowto.asp?id=45

Good luck.