This 2-piece cap-free design Tiagra level 9-speed compact chainset offers unbeatable performance, sporting many features from the pro-level equipment, this allows a quick and easy installation whilst delivering a lighter feel compared to the traditional crank/bottom bracket assembly. If you need quick and positive shifting, then the SG-X chainrings with its pick-up pins and tooth profiles will be right up your street - with other benefits. Anyone using this chainset will instantly benefit from quieter running as well as a smoother shifting directional chain - bringing an improved power that is worthy of the Tiagra standard.

• Sporting many features from pro-level equipment, this 2-piece cap-free design Compact 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
• Compact 50 and 34 tooth 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
• 9 Speed
• Polished aluminium crank arms
• Includes both crank arms
• Lightweight aluminium chainrings
• 110 mm bolt circle diameter
• Crank arm length: 170mm
• Includes SM-FC4500 BB
• Please note: does not include crank arm end cap: Y1H614000 - this will need to be purchased separately.