Renthal Grooved Front Sprocket - 520 Chain Pitch x 13 Teeth - 257--520-13GP 2007 Harley-Davidson Sportster Roadster - XL883R 2012 Yamaha YFM550FGPH Grizzly FI

2012 Yamaha YFM550FGPH Grizzly FI 4x4 EPS Hunter Edition

2012 Polaris Hawkeye 400

Sidewall construction improves wet and dry handling and comfort

2003 Harley-Davidson Sportster Custom - XL 883C

2003 Yamaha YZF-R6

Renthal Grooved Front Sprocket - 520 Chain Pitch x 13 Teeth - 257--520-13GP 2007 Harley-Davidson Sportster Roadster - XL883R 2012 Yamaha YFM550FGPH Grizzly FIRenthal 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