Taking 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 HG-X chains
• Anodized aluminium crank arms
• Lightweight aluminium chainrings
• 4 arm, 110 mm bolt circle diameter