COMPONENTS: Shimano Dura-Ace Crankset FC-7800

Super power transmission

HOLLOWTECH II crankset
Optimum balance of lightweight and rigidity.
Useful Q-factor
Q-factor remains same as FC-7701/BB-7700.
More smoother rolling
Minimal bearing interface for smoother rolling.
Gearing : 52-39T, 53-39T, 52-42T, 50-39T
Triathlon spec : 54-42T, 56-44T, 55-42T
Crank Arm Length variations : 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm, 177.5 mm, 180 mm

Hollowtech Crank Arm Hollowtech II
Chain Compatibility 10-s Super Narrow HG
Number of Teeth 53-42T/52-39T/53-39T/50-39T/54-42T/55-42T/56-44T
Bolt Circle Diameter 130mm
Crank Arm Length 165/167.5/170/172.5/175/177.5/180mm
Crank Arms forged aluminum/anodized
Weight 740g (170mm, integrated BB)
Chain Line 43.5mm
Spindle Length Hollowtech II
Dual SIS Yes
One-Key Release No
Reinforced Spider Yes
Chainrings aluminum/anodized
Optional Chain Guard No