RENTHAL Twinring™ Rear Sprocket - 51 Tooth - Black 1120-520-51GPBK Armadillo Short Head Pipe Guard TorqDrive thin friction disk technology

TorqDrive thin friction disk technology allows more disks to fit in your OEM clutch's footprint

Perfect shape to perfectly fit your bike model

Tunable end caps allow for fine-tuning of power delivery for different types of riding and terrain

Tacky grip print on fingers and palm provide added control

High-absorption EVA memory foam for protective padding in high impact areas

RENTHAL Twinring™ Rear Sprocket - 51 Tooth - Black 1120-520-51GPBK Armadillo Short Head Pipe Guard TorqDrive thin friction disk technologyInner ring is the same high strength Ultralight 7075 T 6 aluminum used for the standard Renthal sprocket Outer ring is electro less nickel coated steel for ultimate durability and is designed with the minimum amount of material to keep weight down The outer ring is expanded at 200C and then fitted over the inner; this interference fit combined with the wave pattern ensures a permanent bond for the life of the chainwheel The flat socket head screws add