RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Blue 2240-520-50GPBU Super Slim Volt Meter Superior strength mounting brackets for

Superior strength mounting brackets for durability

created as a full race system

Multiple reflective prints on the back to make the rider more visible to other road users

Interior waterproof wallet/document compartment pocket

The contoured calf protector ergonomically wraps around the rear leg and is constructed from a dual density compound rear blade system to offer progressive dampening of excessive torsional forces

RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Blue 2240-520-50GPBU Super Slim Volt Meter Superior strength mounting brackets forInner 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