Shimano 105 RS520 50/34D 165 mm 10SW Crankset

The Shimano 105 RS520 50/34D 165mm 10 speed crankset uses a 24mm outer bottom bracket and carries a compact 50-34D 2x12 speed chainring. It uses a 4-arm construction and is compatible with modern road frames with disc brakes. Features:Use: RoadAffordable, high-end style crank set4-arm crank set for a 12-speed transmissionCompatible with O.L.D. frames. Sheath length of 135 mm and 410 mmConnecting rod length: 165 mmCombination of developments: 50-34DRecommended Bottom Bracket|Press-Fit BB-RS500-PB