RENTHAL 131U-520-51GBSI Ultralight Rear Sprocket - Yamaha 51 Tooth
Manufacturer Part Number: 131U-520-51GBSI
Drag Part Number: R131-51
Sprocket - Yamaha - 51 Tooth
- CNC-machined (not stamped) and feature a computer-aided ultra-light design to reduce unsprung weight and increase power transfer
- Rear sprockets made from high-strength, specially enhanced 7075-T6 aluminum that is 33% lighter than steel to further reduce weight and increase power transfer without sacrificing strength
- Rear sprockets also feature a special tooth profile that allows the chain to roll easily on and off the sprocket for longer wear, less noise and more power
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