RENTH FR SPROC 520 STEEL ST 497, 13

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 versionMade from a nickel-chrome-molybdenum alloy: greater strengthLighter than original partsAn excellent compromise between efficiency and longevity