Shimano Fc-7900 Dura-ace 175 53/39t 10-speed W/o Bb

The sleek, aerodynamic Dura-Ace Hollowtech II crankset features significant weight savings and increased rigidity through the use of a 20% stiffer chainring, resulting in optimal shifting & power transfer at a feathery 674g. Bottom bracket not included.

Hollow forged outer chainring reduces flex for more responsive shifting and better power transfer
Precisely machined chainrings allow for better shifting under load
Wide set bottom bracket bearings, two-piece design and hollow forged arms for maximum stiffness to weight ratio
Compatible with 10 speed chains
Shimano Reference Number: FC-7900