World renowned Dura-Ace precision engineered cranks, designed for the rigours of the oval circuit
HollowTech hollow forged aluminium crank arms for light weight without compromising stiffness
Splined Octalink fitting for Dura-Ace bottom bracket to create a strong and rigid interface
Crank arms only, chainrings available separately
Weight: 505 grams (170 mm, without chainring)
Available in 165, 170, 172.5 and 175 mm crank arm lengths