Genuine Shimano replacement part

• Forged HollowTech II aluminium cranks offer unrivalled strength-to-weight ratio
• Lightweight construction for external super smooth bottom bracket bearings
• For use with 12-speed Dyna-Sys DCE single chainrings
• SM-CRM85 DCE chainrings are available in 28T, 30T, 32T, 34T and 36T
• 52 mm chain line for use with 142 / 148 mm rear axle width
• 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 12-speed HG+ MTB chains only
• We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect bottom bracket facing and fit