This sleek aerodynamic Hollowtech II Dura-Ace compact crankset features significant weight savings and increased rigidity through the use of a 20% stiffer chainring, resulting in optimal shifting & power transfer.

● Compact gear ratio | Better performance alternative
● Thin-walled forged aluminum crank | Lightweight & Strong
● Hollow chainring | Lightweight & rigid
● New tooth design | Improved chain contact for power efficiency

Model Number: FC-7950
Series: DURA-ACE
Crank Construction: HOLLOWTECH II
Cassette Compatibility: 10-speed
Chain Compatibility: Super Narrow HG for 10-speed
Hyperdrive: yes
Dual SIS: yes
Reinforced Spider: yes
Chaing Sets: 50-34T
Bolt Circle Diameter: 110mm
Crank Arm Length: 165/167.5/170/172.5/175/177.5/180 mm
Crank Arms: forged aluminum/anodized
Chainrings: aluminum/anodized
Chain Guard: no
Bottom Bracket: SM-BB7900
Chain Line: 43.5mm
Spindle Lenght: -
BB Shell Width: 68/70mm
Average Weight: 725g including BB