Renthal Twinring Sprocket - 520 Chain Pitch x 50 Teeth - Black - 2240-520-50GPBK 2004 Yamaha XT600 1967 Ski-Doo Alpine 370E

1967 Ski-Doo Alpine 370E

(4) Ribbuer grommets

2003 Husqvarna TC450

2007 Harley-Davidson XL 883R (EFI)

Renthal Twinring Sprocket - 520 Chain Pitch x 50 Teeth - Black - 2240-520-50GPBK 2004 Yamaha XT600 1967 Ski-Doo Alpine 370ERenthal 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