165mm 52-36t

Series:105 R7100. Crank arm length:170 or 165mm. Shimano 105 FC-R7100 2x12-Speed Crank. SHIMANO FISHING. REPAIR TOOLS. Chain:CN-M8100, CN-M9100, CN-M7100, CN-M6100. Bottom bracket:BB-R9100, SM-BB9000, SM-BBR60, SM-BB6700, SM-BB5700, BB-RS501, BB-RS500, SM-BB4600, SM-BB92-41B, SM-BB72-41B, SM-BB71-41B, BB-RS500-PB.