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.
130 mm bolt circle diameter.
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