Shimano Ultegra crank 2-FC-6800
Easy and reliable Ultegra crank with a large selection translation
The new Ultegra crankset is characterized by a very high switching performance. The gearshifts are doing with high precision. Here optimum power transmission is achieved by the new tooth profile, in addition is this new tooth profile in conjunction with the new Ultegra derailleurs maximum security against the jump off the chain.
The reduced weight compared to its predecessor was achieved through the broad HOLLOWTECH II-arm design and a reinforced outer chainring. In terms of stiffness and lightness, the new Ultegra cranks highest standards to meet.
The appearance comes naturally not too short, the proven DURA-ACE 4-arm design has been maintained and has less weight, with higher stiffness.
Material crank arms: aluminum
Material Axle: steel
Material chainrings: aluminum
Technology crank: Hollowtech II
Technology chainrings: Hollowglide
Crank lengths: 170.0 mm / 172,5mm / 175.0 mm
Bolt circle diameter: 110 mm
chain line: 43.5 mm
Q: 146 mm
Number of teeth of chainrings: 46-36, 50-34, 52-36 or 53-39 teeth
Compatibility bottom bracket BB-R9100, SM-BB9000, SM BBR60, SM-BB6700, BB5700 SM (optional, not included)
Compatibility chains: Shimano HG-EV 11-speed, HG-X11
Delivery: 1x Ultegra crankset FC-6800 chainrings including without bottom bracket.
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