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Shimano Ultegra R8000 Groupset - 50/34 11/28

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$509.60
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Product Description

Shimano

Introducing the Shimano Ultegra R8000 Groupset – 50/34 11/28. The groupset has been redesigned for control and with superior ergonomics to create a seamless riding experience. The Precision-engineered Ultegra STI shifters with carbon levers offer powerful braking and effortless 11-speed shifting, making them the ideal choice for both enthusiast and competitive riders.

Groupset:

Gear Shifters - ST-R8000 Ultegra double mechanical 11-speed STI levers. Offers powerful braking and effortless 11-speed shifting. Re-development and positioning of the internal mechanism in combination with Polymer coated cables have made this possible, providing faster, lighter and smoother shifting.

Deralleurs – At the Front is the R8000 Ultegra 11-speed front derailleur, featuring a toggle link design give a light action with short lever movement and less effort at the end of shifting stroke. Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load. At the rear is the R8000 Ultegra 11-speed rear derailleur with a low-profile shadow design that reduces risk of damage in a crash.

Chainset - The HollowTech II 11-speed Ultegra chainset offers fast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load. The chainring teeth have been developed to work in conjunction with 11-speed HG-EV chains for increased contact to provide greater efficiency and improved power transfer. Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight.

Cassette – The lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes. Hyperglide EV sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear.

Brake Callipers – R8000 Ultegra brake callipers, are a dual-pivot with super SLR-EV design for quick linear response, increased rigidity and improved braking power.

SPECIFICATION :

Brake Calipers : R8000 Ultegra brake callipers
- Dual-pivot
- Enhanced brake arch proportions
- Spring tension adjuster
- Adjustable toe-in
- Added clearance for compatibility with 28C tire size

Front Derailleur : Ultegra R8000 Braze on
- Forged wide link
- Designed to work with the wider gear pitch spacing Shimano chainsets without sacrificing shifting performance on bikes with 135 / 142 mm O.L.D.
- Added frame support bolt
- Cable tension is adjustable

Rear Derailleur : Ultegra R8000 Shadow Short cage
- Lightweight aluminium pulley cage
- Wide gear ratio compatible with 11-28 up to 11-34T

STI Levers : ST-R8000 Ultegra double mechanical 11-speed STI levers
- Ergonomic shift arc
- Powerful and controllable braking with SLR-EV compatibility
- Tuneable reach adjusters

Chainset :
Ultegra R8000 50/34
- Compatibility to frames with O.L.D. 135 / 142 mm and 410mm chain stay length
- HollowTech II integrated bottom bracket
Crank Length Options:
- 170mm
- 172.5mm
- 175mm

Cassette : Ultegra R8000 11 - 28
- Wide gear range
- Use with 11-speed HG-EV chains

Chain : Ultegra 6800 11-speed HG-EV
- Sil-Tec surface treatment technology (PTFE plating)
- Zinc-Alloy plated outer links
- 5.62 mm chain width
- Average weight 257 grams


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