Used this kit on my budget SS 29er build. Works great to convert an 8/9 speed cassette hub to SS. Plenty of different sized spacers (and a visit to Sheldon Brown's website) made it easy to get a perfect chainline. It is working out great so far for XC riding on my SS MTB. The only moderate negatives are that only one 16t cog comes with the kit and that the cogs are relatively thin compared to higher-end cogs. It would be nice if they provided two different cogs (maybe a 16 and an 18). Overall it is a good product and is a good value in my opinion.
PROS: Affordable, Different sized spacers, Easy To Install, Perfect chainline easy
Used this to convert an ol geared DJ to a single speed and it wired perfectly. Only downside is that the cog was pretty thing so you can either buy a separate one or use this one. The cog works its just thin.
Spacers are fine except having the one really large one makes it difficult to line up the chain properly if the cog needs to be in the center of the freehub. The cog is really crappy but I bought for the spacers only since I have a Surly cog already.
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