Evolve 44T and 32T chainrings have been upgraded and improved for 2008 with extensive CNC machining for shifting accuracy and sharper looks.
• Evolve outer and middle chainrings are built from 7075-T6 aluminum for increased wear resistance & impact strength.
• Evolve 22T 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.
• Sweet rings for a reasonable price.