Origin8 Single Speed Converstion Kit. Shifting is so passe. Converting to single speed is the new black in the bike industry. It strengthens your legs, lowers maintenance necessity, and lightens the weight on your bike. 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
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