RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Green 112052050GPGN Women's Insignia Legging Injected shells constructed with a

Injected shells constructed with a back-integrated grid structure to absorb and dissipate impact forces

Increased horsepower and torque gains will quickly be noticed across the entire rpm range

Fitment: CBR600R F models (1999-2006)

New material composites have been created that are lighter in weight and more durable to ensure they hold up to the rigors of off-road riding

RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Green 112052050GPGN Women's Insignia Legging Injected shells constructed with aInner 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