Shimano FCRS520 double 12speed chainset 165 mm 50 34T

This item is available from our suppliers and will be dispatched within 7-10 days


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  • Lightweight 12-speed 2-piece design chainset
  • Innovative forged and anodised aluminium crank arms for minimum flex
  • The chainring teeth have been developed to work in conjunction with Hyperglide&plus 12-speed chains for increased contact to provide greater efficiency and improved power transfer
  • 2-piece design bottom bracket bearings to be spaced wider apart, enabling the use of larger bearings and an increased axle diameter
  • Can be used with Shimano external or press-fit bottom brackets
  • The system allows for easier installation, adjustment, and maintenance
  • Lightweight anodised aluminium chainrings for smooth and precise shifting