The Evolve outer and middle chainrings are built from 7075-T6 aluminum for increased wear resistance & impact strength with the 24T granny ring is made from high strength, heat-treated CrMo steel with a satin chrome plated finish for maximum durability. Engineered with a focus on optimizing the chain to ring interface, Evolve rings shift flawlessly, even under load….
– Race Face Evolve 4 Bolt 10 Spd Chainring Set Chainrings – £69.53 (RRP – £)
