*Fits Shimano freehub splines
*SCM 415 hardened steel
*Wide base is 9 speed spaced
*3/32" width
*Cogs can be stacked for use with shifters
*Designed mainly as a single speed cog
2201 15th Ave W, Seattle, WA 98119
Mon. Wed, Thu, Fri, Sat: 10 - 6 PM
Sun: 10 - 5 PM
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