Renthal Framdrev 520 13 Kawasaki 99-08 KX250 Yamaha 03-17 WR450F/YZ450F 98-17 YZ250 98-00 WR400F 01-02 WR426F 98-99 YZ400F 00-02 YZ426F GasGas 13-17 EC 450 F

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.