Renthal Grooved Front Sprocket - 520 Chain Pitch x 14 Teeth - 439--520-14GP 2008 Ski-Doo MX-ZX 550 2006 Polaris Sport 400

2006 Polaris Sport 400

1988 Honda XR100

2015 Honda CBR1000RR SP

1996 Arctic Cat ZRT 800

2018 Kawasaki KAF1000B Mule Pro-DXT EPS

Renthal Grooved Front Sprocket - 520 Chain Pitch x 14 Teeth - 439--520-14GP 2008 Ski-Doo MX-ZX 550 2006 Polaris Sport 400Renthal Grooved Front Sprocket Renthal off road front chainwheels are chosen by more factory motocross and supercross teams than any other chainwheel on the market today. They are CNC machined from a cased hardened and core refined 655M13 nickel chromium steel. Machined self cleaning mud grooves at each tooth to help increase wear resistance Renthal front chain wheels are simply the finest front chain wheel on the market today. Our Front chain wheels