RENTHAL Steel Standard Front Sprocket 257 - 520 for Yamaha WR125, WR200, YZ125 for: Gas Gas EC125

Renthal sprockets and crown gears are developed in competitions in the USA. They are precision machined from high-quality materials. These transmission components limit friction in order to transmit as much power as possible to the rear wheel.

• Standard version
• Made from a nickel-chrome-molybdenum alloy: greater strength
• Lighter than original parts
• An excellent compromise between efficiency and longevity