- 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
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