DESCRIPTION

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

FEATURES

» Forged HollowTech II aluminum cranks offer unrivalled strength-to-weight ratio
» Lightweight construction with external super smooth bottom bracket bearings for efficient use
» Drilled steel and carbon composite construction middle ring combined with a thicker aluminum double anodized 44 tooth, and plated aluminium 22 tooth ring for excellent rigidity and durability
» SG-X chain rings delivering a smooth precise shift and are Hyperdrive compatible
» Stiffness and strength increased with advanced design due to wider spaced bearings and oversized axle
» 44 / 32 / 22 tooth 9-speed chainrings
» Comes complete with bottom bracket for 68 and 73 mm frames
» Weight: 853 grams
» We recommend that this bottom bracket is initially installed by a bike shop to ensure perfect bottom bracket facing and fit