RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Green 112052050GPGN Grip Donuts Constructed from Aerospace grade hi

Constructed from Aerospace grade hi heat Titanium alloys

track collar and removable hood Reverse coil zipper at front

folding tip shift lever and shift rod (correct length for quick shifter)

Waist belt for custom fit

RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Green 112052050GPGN Grip Donuts Constructed from Aerospace grade hiInner 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