Sram XX1 Chainring

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SRAM XX1 Chainring 76mm BCDDeveloped for maximum chain control, each tooths thickness is precisely CNC-machined to support the chains inner and outer links perfectly. Six available chain rings (28-30-32-34-36-38) allow you to tune your gear range to match your terrain, wheel size and riding style. Each X-SYNC chain ring fits a single, universal spider*allowing you to change rings without removing the light-weight carbon crank arm.- New tooth profile alternates thickness by inner and outer links, providing maximum chain control Show more