The Ultegra FC-R8000 crankset by Shimano - elegant and powerful
The Shimano Ultegra FC-R8000 11-speed crankset features outstanding power transmission efficiency and can easily be used on Road bikes with disc brakes and an 135 mm over locknut dimension. With a uniform bolt circle diameter of 110 mm, four different chainring combinations can be mounted on the asymmetrical 4-arm spider, resulting in a wide range of applications. As a Hollowtech crank with hollow forged aluminium arms and Hollowtech II construction, the FC-R8000 offers an optimum stiffness to weight ratio. The hollow outer chainring also contributes to this. And last but not least, your Road bike will also be visually enhanced by the Dura-Ace-like aesthetics of the Ultegra set.
Application: Road, Cyclocross
Compatibility: Shimano 2x11-speed
Chainring Mount: 110 mm pitch circle, 4-arm asymmetrical
Series: Ultegra R8000
Crankarm Material: aluminium
Chainring Material: aluminium, carbon (CFRP) / aluminium (36-46 only aluminium)
Axle Material: steel
Gradation: 34-50, 36-46, 36-52, 39-53
Crankarm Length: 165.0 mm, 170.0 mm, 172.5 mm, 175.0 mm
Chainline: 43.5 mm
Q-Factor: 146 mm
Axle Diameter: 24 mm
Compatible BSA Shell Width: 68 mm
Recommended Bottom Bracket: SM-BBR60 or SM-BB72-41B Pressfit Hollowtech II (not incl.)
Recommended Chain: HG-EV 11-speed, HG-X11 (e.g. CN-HG701-11)
- optimised, lightweight crankarm design for excellent power transmission efficiency
- revised chainring tooth profile increases the distance to the chain for more compatibility with 135 mm over locknut dimensions and 410 mm chainstay lengths
- anodised crankarms and chainrings
- aluminium chainring bolts
A lightweight crankset not only reduces the bike's weight, but decreases rotating mass to aid in acceleration. The challenge is to reduce the weight of the crank without reducing its strength and rigidity. Shimano's advanced forging technology has solved the problem through the Hollowtech crank. Just like high quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very light weight.
What matters is the overall balance of the crankset. With regard to the entire crankset, an optimum ratio between the strength of the crank arms, the stiffness of the axle, the bearing position and other features is very important. During the development of the crankset, the overall balance of all individual elements was carefully considered in order to ensure maximum stability.
Outer bearing: On most 68 mm bottom bracket housings, the Hollowtech II 24 mm axle can be mounted outside the frame for better weight distribution and stability.
High-quality precision seals: The Hollowtech II set also features high quality precision seals in the bearing area to extend durability and maintain excellent rotation efficiency over time.
The axle and the 24 mm diameter bearings ensure optimum balance of the crankset and optimum transmission of power to the bicycle.
Hollow outer chainring: The extremely stiff hollow structure reduces the weight while maintaining the same strength. Better power transmission and faster, more precise front shifts (not with 46 tooth).
Manufacturer Part Numbers:
70.0 mm 34-50: I-FCR8000CX04
172.5 mm 36-52: I-FCR8000DX26
175.0 mm 36-52: I-FCR8000EX26
- 1 x Shimano Ultegra FC-R8000 crankset (34-50, 36-46, 36-52 or 39-53 tooth)
- 1 x Shimano crank bolt
- not incl. bottom bracket
What crank arm lengths are available for the Shimano ULTEGRA 11 speed ROAD cranks?
The Shimano ULTEGRA 11 speed ROAD cranks are available in 165 mm, 170 mm, 172.5 mm and 175 mm.
What type of chainring mount is compatible with the Shimano ULTEGRA 11 speed ROAD crank?
The Shimano ULTEGRA 11 speed ROAD crank is compatible with P.C.D. 110 mm.
What is the chainline for Shimano ULTEGRA 11 speed ROAD crank?
The Shimano ULTEGRA 11 speed ROAD crank chaniline is 43.5 mm.
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FOR PARTS & CLOTHING (DOES NOT APPLY FOR BIKES SHIPMENT)
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