MOOSE RACING Rear Sprocket - 37-Tooth M4021-37
Part Number: M6402137
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Description
Rear Sprocket - 37-Tooth
The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets, 100% machined, no stamping or grinding, Optimal tooth thickness results in maximum tooth and chain contact
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