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X-Range gearing technology gives you more range and a smoother gear progression, so you re always in the right gear
SPECIFICATIONSPEEDS 12s BB COMPATIBILITY All SRAM Road DUB™ BBs CHAINRING SIZE 46/33, 48/35, 50/37 CRANK ARM LENGTH 170mm, 172.5mm, 175mm CHAINLINE 45.0mm BB SPINDLE INTERFACE DUB™ CHAINRING MATERIAL Aluminum GUARD No Guard BOLT CIRCLE DIAMETER (BCD) 107 BCD, Direct Mount CRANK ARM MATERIAL Carbon COLOR Natural Carbon