Forged HollowTech II aluminium cranks offer unrivalled strength-to-weight ratio
Lightweight construction for external super smooth bottom bracket bearings
Steel inner ring combined with a thicker aluminium and carbon composite Hollow outer ring for excellent rigidity and durability
Close ratio gear combination for minimum shifting gap provides improved cadence while reducing pedal feedback on suspension bikes
Available in 38-28T, 36-26T, 34-24T
HG-X chainring with patented spike pins give smooth and fast gear shifts under load
Stiffness and strength increased with advanced design due to wider spaced bearings and oversized axle
70 degree spider arm for optimal rigidity
For use with 11-speed HG-X MTB chains only
We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect bottom bracket facing and fit