Superior chain retention for smoother riding even on rough terrain Dynamic Chain Engagement improves chain engagement and retention Direct mount chainring with multiple tooth options 2-Piece crankset increases rigidity of the crankset with less weight
178 mm Q-factor that is compatible with 148 mm O.L.D. frames Superior chain retention for smoother riding even over rough terrain DYNAMIC CHAIN ENGAGEMENT+ improves chain engagement and retention Direct mount chainring Chainring Material: Steel + GF composite Compatible Chain: 12-speed HG+ Arm Material: Aluminum Axle Material: Steel Chainline: For wide 148 mm O.L.D. and 55mm chainline Crank Arm Finish: Anodized Color: Black Not Included: Chain Ring, Bottom Bracket
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.