This is one (1) 1mm thick Aluminum Spacer. This spacer will work on 16t and larger Freewheels, Shimano type cassettes and Euro bottom brackets. It is made to fit 1.37" applications. It is perfect for adjusting chain lines. This part is proudly MADE IN THE USA by Wheels Manufacturing.
BMXGuru.com / C&W Cycle
702 North St.
Morenci, MI 49256
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