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- BB Shell Width: ISISChain Compatibility: 1/2″ x 1/8″Chainring BCD: 144mmChainrings: 49TCrank Color: CarbonCrank/FD Type: Single RingCrankarm Length: 170mmCrankarm Length: 170mmCrankset BCD: 144mmCrnk Clr: CarbonInterface: ISISLength: 170mmPedal Spindle: 9/16″Rings: 49tSpeed: 1x1Spin: Not ApplicableSpindle Interface Type: ISISSpindle Length: 108mmWeight: 809g
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Carbon arms are mated to a 100-percent CNC AL7075 T6 Chainring for the ultimate in speed and efficiency. The Carbon Track features a 144-millimeter BCD, and 49-tooth chainring.