A high performance chainset from the classic MTB group, using the most advanced 11-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
Steel inner ring combined with a thicker aluminium and carbon composite Hollow outer ring for excellent rigidity and durability
Bottom bracket included
Sporting many features from pro-level equipment, this 2-piece cap-free design Tiagra chainset offers unbeatable performance
2-piece cap-free design is quick and easy to install whilst being lighter and stiffer than a traditional crank/ bottom bracket assembly
SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting
Designed to work with HollowTech II type bottom bracket cups
Compatible with 10-speed Super Narrow HGchains
Anodized aluminium crank arms
Lightweight aluminium chainrings
110 mm bolt circle diameter
Precision engineering and highly advanced features make the Dura-Ace chainset the choice for road racing's elite riders
HollowTech II 10-speed Dura-Ace Double chainset offers the optimum balance of lightweight and rigidity
Integrated bottom bracket design gives wider bearing placement plus larger axle for increased stiffness and efficiency
Minimal bearing interface gives superbly smooth rolling