Converts a cassette hub to a single speed 8 spacers included in various sizes to adjust chain line Anodized 6061 alloy Fits Shimano style cassette bodies New conical spacers for increased cog stiffness DER PART OR8 SGL SPD KIT CONICAL 16&18/SPCR/GIDE
The only item in this kit that I'm still using is the spacers. The tensioner has a TON of play (side to side) which allows the chain to pop off. The pulley gear has a bushing instead of bearing so it wore out after a few hours. The actual gear must be a low quality plastic too because the teeth were visibly worn as well. The two cogs are ok but just low quality very thin stamped metal; these will bite into your hub after a while.I switched out the g..