Part of the popular Turbine Crank series from Race Face, Evolve chain rings have been upgraded with extensive CNC machining for shifting accuracy. An optimized chain-to-ring interface ensures they shift flawlessly, even under load.
- Outer and middle chain rings are 7075-T6 aluminum for increased wear resistance and impact strength
- Granny ring is made from high strength, heat-treated chromoly steel with a satin chrome-plated finish
