This Shimano Dura-Ace FC-7710 Track Crankset is a durable and stiff Hollowtech crankset for track riding in a classic Dura-Ace design with approved Octalink technology. It features a reinforced 5-arm crank spider with 144mm bolt circle diameter.

Specifications
Reinforced Hollowtech Crankarms for track riding
OCTALINK Splined BB Interface
BCD: 144mm, 5 Bolt
Bottom Bracket Compatibility: Shimano BB-7700/7710
Chainline: 42.5mm
Recommended Spindle Length: 109.5mm
BB Shell Width Compatibility: 68/70mm
Chainring sold separately (45-55t Compatible)

Mfr Claimed Weight
505g