RENTH FR SPROC 520 STEEL ST 521, 15

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