Evolve outer and middle chainrings are built from 7075-T6 aluminum for increased wear resistance & impact strength. Evolve 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.
CNC machined 7075 aluminum middle and outer with S.H.I.F.T. technology
Inner is made of heat treated CrMo for maximum durability
4-Bolt 104/64mm BCD
Ring Configuration 42/32/24T (10 Speed), 44/32/22T (9 Speed)
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Q: Are these compatible with shimano deore crankset