RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Black 1500-520-50GPBK Transmission Seal Kit Sweater knit rib jersey stitch

Sweater knit rib jersey stitch construction

Stretch panel on forearms to increase flexibility and movement

Stock DB at Idle 78db

Graves Motorsports Rev3 2015-2023 Yamaha R1 Full Titanium Exhaust System with Titanium 265mm silencer

RENTHAL Twinring™ Rear Sprocket - 50 Tooth - Black 1500-520-50GPBK Transmission Seal Kit Sweater knit rib jersey stitchInner 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