Renthal Framdrev Std 428 14 Yamaha 02-17 YZ85

Renthal Ultralight Chainwheels are chosen by more Factory Motocross and Supercross teams than any other on the market.

Case hardened and core refined 655M13 Nickel Chrome M olybdenum steel and precision CNC machined to extremely tight tolerances for maximum longevity.

Computer aided Ultralight design minimises weight and allows maximum power transfer to the real wheel.