- 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
Shimano manufactures a wide range of components for all types of bikes and riders and are best known for their groupsets, wheels and shoes. The innovative company’s components, such as the Di2 electrical components are used in high end road bikes.