The HOLLOWTECH II crankset has been developed by pursuing the optimum balance of stiffness & rotating performance in a lightweight and beautiful crankset design.
  • pretty_bullet.png Optimum power transfer
  • pretty_bullet.png New reinforced chainring construction
  • pretty_bullet.png Rider tuned wide range gearing

Product Specs

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Model Number FC-5800
Series 105
Crank Construction HOLLOWTECH II
Cassette Compatibility 11
Chainring Sets 50-34T 52-36T 53-39T
Crank Arm Length 165/ 170/ 172.5 / 175
Bottom Bracket SM-BBR60 / SM-BB72-41B
Chain Line 43.5
BB Shell Width 68 / 70
Average Weight 725g