Shimano 105 5800 11 Speed Double Crankset

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sku: 21979

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Shimano 105 5800 11 Speed Double Crankset

There are several crankset options for the new 105 including the FC-5800, a new four-arm Hollowtech II design similar to that of current Ultegra and Dura-Ace.

It's stiffer and lighter than the five-arm design it replaces, and Shimano has reinforced construction around the chainring area to further improve the stiffness to weight ratio. The Crankset uses the same bolt circle diameter for compact and traditional double cranksets, which means one crankarm fits all chainring sizes.

Please note, Bottom Bracket is NOT included.


  • Lightweight HollowTech II 105 11-speed crankset
  • Innovative HollowTech forged and anodized aluminium crank arms utilize a hollow design that minimizes flex and keeps the 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
  • HollowTech II allows the 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 SG-X aluminium chainrings for smooth and precise shifting