MOOSE OFFROAD HARD-PARTS FRONT SPROCKET - YAMAHA - 13T 26-4137-13CRMO Lightweight Racing Valve Spring Kit Dunlop enables sport-oriented riders to

Dunlop enables sport-oriented riders to enjoy even greater riding dynamics

INCREASED THICKNESS TO Ø28

Designed to Replace the Stock Plastic

Programmable user output for functions such as shift light

In the upper part

MOOSE OFFROAD HARD-PARTS FRONT SPROCKET - YAMAHA - 13T 26-4137-13CRMO Lightweight Racing Valve Spring Kit Dunlop enables sport-oriented riders toMachined from high tensile strength, impact and wear resistant chromoly steel to minimize deformation, Inner splines are broached to provide maximum spline to countershaft contact to distribute driveline forces over the largest possible surface area, Heat treated, then finished with a nickel coating for corrosion resistance and lubricity, Each sprocket is quality checked by Computer Measurement Machine (CMM) to exactly match OEM design specifications