RENTHAL Twinring™ Rear Sprocket - 51 Tooth - Red 1540-520-51GPRD Alps 6.0 V2 Jersey Will only work with stock

Will only work with stock OEM hubs

of any jurisdiction

The same low-weight

TPR design on lateral toe gives more flexibility and resistance against abrasion

A universal mount kit is included

RENTHAL Twinring™ Rear Sprocket - 51 Tooth - Red 1540-520-51GPRD Alps 6.0 V2 Jersey Will only work with stockInner 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