Supersprox and DID Chain and Sprocket kit for Yamaha Tracer 9 2021> (inc GT) - Standard Gearing. 1x RST-1304:45-BLK Supersprox Stealth Black rear sprocket 45T. Supersprox Stealth Sprocket. Supersprox Stealth sprockets have been developed to have longevity and style without compromising on weight.
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