Join Date: May 2005
Location: Montreal, Canada
Bikes: 2003 KHS F20-Westwood folding & enough parts to make several more bikes...
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Originally Posted by dmarcoul
can i replace worn or bent cogs in cassettes?
im building a fixed and need to choose between 3/32 and 1/8 for chain and cog sizes. What are some of the benefits and drawbacks of each?
Can't comment on your fixie question but, as others point out, cassettes can be dismantled and rebuilt.
FWIW, I did this about two weeks ago, per instructions on Sheldon Brown's site, replacing the 28T large cog with a 34 to give me a lower bottom end for climbing hills on a loaded touring bike.
This was an 8-speed Shimano cassette. On the large cog side of the cassette, I had to grind off the ends of three LONG rivets, taking care not to damage the cog, and slide the rivets out to let the cogs and spacers fall away from each other.
The 34T cog was GIVEN to me by the LBS - taken right out of their "box of old parts."
I suspect you've got just such a box waiting for you at an LBS close to you. Make a list of what you need and perhaps find out what brand of beer the mechs like.