Renthal Twinring Sprocket - 520 Chain Pitch x 49 Teeth - Blue - 1500-520-49GPBU MPN_456M05100 1977 Yamaha XS400

1977 Yamaha XS400

Part Number: ESR641

1996-2004 Kawasaki VN800B Vulcan 800 Classic

1990 Kawasaki ZX750 Ninja ZX-7

Renthal Twinring Sprocket - 520 Chain Pitch x 49 Teeth - Blue - 1500-520-49GPBU MPN_456M05100 1977 Yamaha XS400Renthal Twinring Rear Sprocket A long lasting durable off road sprocket developed over 5 years. They are CNC machined from a specially enhanced 7075 T6 aluminum alloy The unique flat face design keeps weight to a minimum and means the Twinring rear chainwheel is as narrow as a standard chainwheel. These feature Renthal's self cleaning mud grooves at each tooth to help increase wear resistance The flat socket head screws add additional strength to the