DRIVEN RACING Rear Sprocket - 47-Tooth 5178-520-47T Arm Shaft Clutch Designed to emphasize the structure

Designed to emphasize the structure of the motorbike Positioned under the crankcase

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This addition will typically remove the majority of popping on deceleration that can be experienced with un-burnt gasses within the emission charcoal chamber

thin and lightweight Integrated

The latest generation of R1 models is finally capable of producing smooth fast clutch-less downshifting

DRIVEN RACING Rear Sprocket - 47-Tooth 5178-520-47T Arm Shaft Clutch Designed to emphasize the structureOne of the lightest 520 steel sprockets available today Designed using our proprietary EST Technology Performance and longevity all in one sprocket Attractive black zinc semi gloss finish Lowered surface to remove unnecessary weight