Shimano FC-RS510 105 Double Chainset

• Lightweight 2-piece design 11-speed chainset
• 2-piece design forged and anodised aluminium crank arms keep weight low
• The chainring teeth have been developed to work in conjunction with HG-X 11-speed chains for increased contact to provide greater efficiency and improved power transfer
• Bottom bracket bearings are spaced wide apart, enabling the use of larger bearings and an increased axle diameter
• Chainring spacing has been optimized for use with 135 / 142 mm rear axle spacing and short chainstayes
• Can be used with Shimano external or press-fit bottom brackets
• The system allows for easier installation, adjustment, and maintenance
• Lightweight anodised SG-X aluminium chainrings for smooth and precise shifting

Free UK delivery on all orders over £25. Next day delivery is also available at an additional cost.