Front crankset Shimano DEORE FC-M6120-1 175mm 1x12-speed

The SHIMANO DEORE FC-M6100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 178 mm Q-factor that is compatible with 148 mm O.L.D. frames.Superior chain retention for smoother riding even over rough terrainDYNAMIC CHAIN ENGAGEMENT+ improves chain engagement and retentionMore maneuverability and aggressive riding realizedFor wide 148 mm O.L.D. and 55 mm chainlineDirect mount chainring2-piece crank construction Chain line: 55 mmChain ring combination: 30TCompatible BB type: Outboard Compatible chain: HG+ 12-speedCrank fixing bolt included Crank arm length: 175 mm Gear arms: 4 armRear speeds: 12Recommended BB (NOT INCLUDED): Pressfit BB-MT500-PA, SM-BB52 Q-factor: 178 mmIncludes left and right crank arm