Renthal 1540-520-48GPBK Twinring Black 48 Tooth Rear Sprocket

Renthal 1540-520-48GPBK Twinring Black 48 Tooth Rear Sprocket

The longest lasting most durable off-road sprocket you can buy developed over 5 years. The unique flat face design keeps weight to a minimum and means the TwinRings as narrow as a regular chainwheel. Inner Ring is high strength Ultralight 7075 T6 Aluminium. Outer Ring is Electroless Nickel Coated steel Outer is expanded at 200 degrees celcius and then fitted to inner, creating a permanent bond for the life of the sprocket Precision CNC machined to extremely tight tolerances Flat socket head screws add additional strength to the chainwheel during side impacts Self-cleaning mud grooves between every tooth on both sides prevent dirt build up