A high performance chainset from the classic ATB group, using the most advanced 10-speed Dyna-Sys chainrings.
Forged HollowTech II aluminium 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 aluminium double anodized 42 tooth, and plated aluminium 24 tooth ring for excellent rigidity and durability.
Close ratio gear combination: 42-32-24T provides improved cadence while reducing pedal feedback on suspension bikes.
HG-X chainring with patented spike pins give smooth and fast gear shifts under load.
Stiffness and strength increased with advanced designdue to wider spaced bearings and oversized axle.
104 / 64 PCD four-arm chainrings.
For use with 10-speed HG-X MTB chains only.
We recommend that this bottom bracket is initially installed by a bike shop to ensure perfect bottom bracket facing and fit.
Comes complete with bottom bracket for 68 and 73 mm frames.
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