Feature
●Item Model Number: IFCR8000AX04
●Type and Rear Supported Speed: Hollow Tech II, 11 Speed
●PCD, Chainline: 110mm, 43.5mm
●Compatible bottom bracket, chain: SM-BBR60/SM-BB72 41B, HG-X11
Description
Shimano Crank/Chainwheel ROAD Compos "ULTEGRA" Grade Crankset Supports front double and rear 11 speed Teeth: 50/34T
From the Manufacturer
FC-R8000
Product Description
Load crankset with crank arm design for reduced rigidity without compromising power transfer efficiency.Versatile tooth configuration for a wide range of riding, it can also fit 135 mmO.L.D. and 410 mm rear center frames.
Product Specifications
- Average Weight: 23.2 oz (690 g) (53-39T), 24.0 oz (681 g) (52-36T), 25.6 oz (674 g) (50-34T), 25.2 oz (668 g) (46-36T)
- Chainline: 1.7 inches (43.5 mm)
- Chainring Combination: 50-34T, 52-36T, 53-39T, 46-36T
- Compatible chains: HG-EV 11 speed / HG-X11
- Crank Length: 6.5 inches (165 mm), 6.7 inches (170 mm), 6.9 inches (172.5 mm), 6.9 inches (1
- Gear arm: 4
- P.C.D.: 4.3 inches (110 mm)
- Rear Speed: 11
Technology
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HOLLOWGLIDEHollow technology on outer chainringRigid hollow construction reduces weight while maintaining strength Images are for illustrative purposes only. |
HOLLOWTECH IIThe crank arm is hollowed using a unique forging technology to reduce weight while maintaining the required rigidity, and the BB axis is is constructed together to provide an additional high dimensional balance of rigidity and light weight throughout the crank.The left and right bearing width is expanded to suppress sagging of the bottom bracket shaft, provide stability and transfer the pedaling power efficiently. Images are for illustrative purposes only. |
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Technology
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"HG-EV "Rider-tuned gear configuration and cadence management made possible with HG-EV sprocket. The 11-speed drivetrain lineup has the option to match a variety of riding options and gear configurations such as wide and cross ratio.The HG-EV cassette sprocket is an evolution of hyperglide shifting and 11-speed reduction without sacrificing 10-speed durability. Images are for illustrative purposes only. |
HG-X11 ChainSmooth driving, precise shifting.The HG-X11 Directional Chain provides superior performance such as smoother shifting.The inner plate and outer plate fit both front and rear shifting. |
HOLLOWTECH Crank ArmLightweight and high rigidityAdopts a hollow forged crankarm using Shimanos advanced processing technology to achieve the two elements required for the crankset.Hollowtech is lightweight and has high rigidity against twisting and sagging, and is made to perform at high cost performance. Images are for illustrative purposes only. |
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| Shimano FC-R7000 IFCR7000CX04L Crankset, Black, 6.7 inches (170 mm), 50x34T | Shimano FC-R8000 50X34T 6.7 inches (170 mm) 11S IFCR8000CX04 | Shimano FC-R8000 50X34T 6.5 inches (165 mm) 11S IFCR8000AX04 | |
| Compatible Chain | HG-EV 11 Speed / HG-X11 | HG-EV11 / HG-X11 | HG-X11 |
| Number of teeth | 50-34T | 50/34T | 50x34T |
| PCD | 110mm | 110mm | 110mm |
| Chainline | 43.5mm | 43.5mm | 43.5mm |
| Axle type | HOLLOWTECH II | HOLLOWTECH II / 0.9 inches (24 mm) | HOLLOWTECH II |
| Q-Factor | 146mm | 146mm | 146mm |
| Recommended BB | SM-BB72-41B, SM-BBR60 | SM-BBR60, SM-BBR60-PB | SM-BBR60/SM-BBR60-PB |
| Crank Length | 6.3 inches (160 mm), 6.5 inches (165 mm), 6.7 inches (170 mm), 6.9 inches (172.5 mm), 6 | 165, 170, 172.5, 175mm | 165mm |
| Average Weight | 25 oz | 2.5 oz (674 | - |