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Shimano 105 5800 Double Chainset

£154.99 £99.99

Product Description

The Shimano 105 5800 chainset features a four-arm Hollowtech II design similar to that of current Ultegra and Dura-Ace models.

It’s stiffer and lighter than its predecessor and Shimano has reinforced construction around the chainring area to further improve the stiffness to weight ratio.

Features:

  • Lightweight HollowTech II 105 11-speed chainset.
  • Innovative HollowTech forged and anodised aluminium crank arms utilise a hollow design that minimises 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.
  • Teeth ratio 53/39
  • Crank arm length : 170mm
  • Bolt circle diameter : 110mm
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