Shimano
Tiagra 4500 Series 9sp Hollowtech II Crankset - 39/52

• Shares many features with top of the range Dura Ace
• 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 9-speed Super Narrow HG chains
• Polished aluminium crank arms
• 130 mm bolt circle diameter