Shimano Crank Chainset Tiagra 4700 52/36 172.5mm

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