Shimano Tiagra FC-4703 10 Speed Triple Chainset - 50/39/30T - 172.5mm Crank Arm

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
• Tooth range: 50/39/30
• Crank arm length: 172.5mm
• Speed: 10