- 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
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