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Shimano 105 FC-5800 Crankset

The 105 FC-5800 crankset is the final word in performance driven value components. The performance is superb, while the value is unmatched. The 4-arm asymmetric spider design is trickle down tech and a Dura-Ace 9000 derivative. The idea behind the four-arm spider was to position strength exactly where it was needed at the power portion of the pedal stroke so you get a big improvement in stiffness with a 30 gram weight reduction.

Although an 11 speed crankset, the chainring spacing is the same as 5700 but the tooth profiles are optimized for an 11 speed chain profile. Chainrings can also be interchanged with Dura-Ace 9000 and Ultegra 6800 rings.

Shimano retains the tried and true Hollowtech II system with its 24mm hardened steel spindle. The Hollowtech II crank and bottom bracket design offers more than enough stiffness and makes installing and removing the crank a snap for easy cleaning and service.


  • Brilliant 4-arm design stiffness and lightweight
  • Stout 24mm Hollowtech II axle
  • Profiled and ramped Hollowglide chainrings
  • 10 or 11 speed compatible
  • Weight: 768 grams

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Reg Price $199.99