Graves motorsports yamaha r1 54mm stepped steering damper clamp mount Powerport Dual Headpipes Our exhausts are hand-made in

Our exhausts are hand-made in the USA for direct fitment to the 2018 + Ninja EX400

DME’s header is a 1 7/8″ to 3″ diameter step pipe 4 into 1

billet aluminum flanges

Aramid Fiber impregnated in bottom cogs

Throttle by Wire Adjustments

Graves motorsports yamaha r1 54mm stepped steering damper clamp mount Powerport Dual Headpipes Our exhausts are hand-made inGraves Motorsports Yamaha R1 54mm Stepped Steering Damper Clamp Mount. This black R1 is used when installing aftermarket sport bike clip on handlebars on your Yamaha R1. This 54mm stepped damper clamp replaces the steering damper mounting point found on the stock handlebar setup on the 07 14 Yamaha R1 (works with 04 06 R1 using custom mounts also). Designed around the championship winning Team Graves Yamaha race program! Diameter = 54mm Center to