Description
This crankset features a durable forged alloy crank arm construction, which gives it fantastic strength as you take on every challenge. Shimano has also kitted out this version with a HollowTech II integrated bottom bracket, so you can benefit from its increased stiffness, efficiency and additional durability. Part Numbers: 30T 170mm: FCM5100C0; 30T 175mm: FCM5100E0; 32T 175mm: FCM5100E2; 32T 170mm: FCM5100C2 Technologies: HollowTech II: HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability.
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