A high performance chainset from the classic ATB group, offering the most advanced features.

• Forged HollowTech II aluminium cranks offer unrivalled strength-to-weight ratio.
• Lightweight construction with external super smooth bottom bracket bearings for efficient use.
• SG-X chainrings delivering a smooth precise shift and are Hyperdrive compatible.
• Stiffness and strength increased with advanced design due to wider spaced bearings and oversized axle.
• Triple, 48/36/26 tooth, chainrings for use with 9-speed cassettes.
• Comes complete with bottom bracket for 68, 73mm frames.
• Sizes: 170mm, 175mm (crank arm length).
• Weight: 853g (175mm).

We recommend that this bottom bracket is initially installed by a bike shop to ensure perfect bottom bracket facing and fit, as misalignment will cause premature wear or failure.