RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Black 1120-520-50GPBK Race Pro Slip-On Mufflers All 54mm clip-ons come with

All 54mm clip-ons come with black handlebar tubes

Designed to accommodate eyewear

9-piece refill packs for the vent hose tub

Back protectors microstructure cell is designed for advanced energy absorption

High technology machine pre-oils filters to perfection while leaving no excess

RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Black 1120-520-50GPBK Race Pro Slip-On Mufflers All 54mm clip-ons come withInner 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