ULTEGRA HOLLOWTECH II CRANKSET (2X11 SPEED)

Shimano Hallowtech technology--Providing the best balance of stiffness, strength, weight, and rotating performance
  • pretty_bullet.png Optimum power transfer
  • pretty_bullet.png Lightweight maintains efficiency
  • pretty_bullet.png Front derailleur chain guide design to reduce chain drop
  • pretty_bullet.png DURA-ACE proven 4-arm design: Same stiffness and lighter weight
  • pretty_bullet.png 14g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability
  • pretty_bullet.png Variety choice of gearing 53-39T / 52-36T / 50-34T / 46-36T
  • pretty_bullet.png Weight: 765g (50-34T, with Bottom Bracket), 765g (53-39T, with Bottom Bracket), 77g (SM-BBR60), 63g (SM-BB72-41B)

Product Specs

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Model Number FC-6800
Series ULTEGRA
Crank Construction HOLLOWTECH II
Cassette Compatibility CS-6800
Chain Compatibility CN-6800
Chainring Sets 53-39,50-34,52-36,46-36
Crank Arm Length 165,170,172.5,175
Bottom Bracket SM-BBR60
Chain Line 43.5
Average Weight 765g