- ilość rzędów: 2s
- przełożenia: 52-36
- długość ramion: 170 mm
The FC-R8000 HOLLOWTECH II crank shaping improves upon Ultegra’s iconic 4-arm design, adding strength and rigidity while minimizing weight.
Everything you need to make your ride distinctively yours: The Shimano Ultegra 2x11-speed Crank FC-R8000
The new Ultegra R8000 series is taking our rider-tuned philosophy to the next level, with an extensive range of components for mechanical shifting, electronic shifting (Di2) and time trial / triathlon.
The Hollowtech II crankset will help you transfer more power into speed. It offers weight reduction without sacrificing stiffness. It enables a wide range of gear combinations to suit your every need. Paired with the new front and rear derailleurs, your shifts will be so fast and reliable you’ll almost question whether they happened at all! The beautifully shaped crankarm, trickled down from Dura-Ace, is a tribute to the aesthetics of your bike.
- Use: Road
- Group: Ultegra
- Model: FC-R8000
- Gradation: 52-36T
- Crank Arm Length: 170 mm
- Q-Factor: 146mm
- Threaded BB shell width: 68 / 70mm
- Gear front: 2-speed
- Gear rear: 11-speed
- Construction: Hollowtech II
- Compatible Chain: HG-EV 11-speed, HG-X 11-speed
- PCD: 110mm
- Chain line: 43.5mm
- Crank arm: Aluminum Anodized
- Crank axle: Steel Plated
- Large Chainring: Aluminum Anodized / CFRP
- Small Chainring: Aluminum Anodized
- 1 Ultegra 2x11-speed Crank FC-R8000
Bottom Bracket SM-BBR60 / Pressfit SM-BBR60-PB not included
HOLLOWGLIDE - Hollow technology on outer chainring
High rigidity hollow structure cuts down on weight yet maintains strength. Better power transfer and quicker and more precise front shifting.
HOLLOWTECH II - Providing the best balance of stiffness, strength, weight and rotating performance
The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider’s power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight, a key element of the crankset, you want light, aids in cycling longer distances over which the rider needs to pedal more. Naturally, SHIMANO strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer.
artykuł nr: 47458