It was never going to be easy to improve on the Ultegra 6800 but there are clear improvements with its aesthetics and performance. Shimano has evolved the Ultegra series, which hugely benefits from the joys of its bigger brother's technology, Dura-Ace R9000. Infused with state-of-the-art technology, the Shimano Ultegra R8000 groupset is superbly stiff, light, and responsive. This Ultegra groupset is a major upgrade on any racing or training road bike. Shimano Ultegra R8000 Hollowtech II Crankset This FC-R8000 Hollowtech II Crankset will make sure you transfer power into speed. With the added bonus of offering weight reduction without sacrificing stiffness, this crankset supports a wide range of gear combinations to suit the fastest downhill section and the steepest mountain pass. The crankarm is redesigned to provide your bike with a fine aesthetic upgrade. Features: Bolt Circle Diameter: 4x110mm asymmetric Chainline: 43.5mm New 4-arm design for a stiff, lightweight performance Hollowtech II construction Hollowglide chainrings 11-Speed Compatible Same bolt circle diameter for compact and traditional double chainsets means that one crankarm fits all chainring sizes Weight: 681g (52-36T), 674g (50-34T) Dual Control Shifters Set STI Ultegra R8000 Offering an increase in accuracy and shifting precision, these Dual Control Levers have a greater reach for adjusting your break and gear levers. The internal shifting unit is updated to offer quick and intuitive shifting. *Please Note: Supplied with inner Gear cables only and does not include brake cables. Features: Material: Carbon Fibre (brake lever) Shift Cable: Polymer coated Ergonomic design with greater reach Light action, define click engagement, vivid index shifting Updated internal shifting unit Powerful and controllable braking system Weight: 438g (Set) Ultegra Rear Derailleur R8000 The RD-R8000 reduces shifting effort at the lever whilst retaining a quick and precise response. Featuring integrated Shadow RD Technology with its race-proven, low-profile design, the rear derailleur is more compact and fits closer to the frame, ensuring less damage in a crash. Features: Shadow RD Technology Precise and accurate shifting Weight: 200g (Short Cage) Ultegra Front Derailleur R8000 The FD-R8000 evolves to provide an ultra-smooth shifting action that flawlessly moves your chain up and down whenever required. with zero delays, you can enjoy a shift that is crisp and concise. Features: Mounting Type: Braze-on Newly designed pull arm for more direct and easy shifting Weight: 92g Ultegra Brake Set R8000 Enhanced with a new, sleek design, the Ultegra caliper brake has narrower gaps between the arms for a reduced profile and compatibility with 28c tyres. The stabiliser between the axles improves braking performance by delivering clear contact to bring you to a balanced stop. Features: Balanced stopping action Smooth and light operation with increased modulation Compatible with up to 28c tyres Weight: 360g (Set) 11-Speed R8000 Ultegra Cassette At the heart of Shimano's 'rider-tuned philosophy' lies their belief in offering superior choice. With a huge range of cassette options, you'll conquer any terrain. Features: Speed: 11-Speed Tooth Count: Separate 11-28T, 11-25T and 11-32T options Weight: 232g Shimano HG701 Ultegra and XT 11 Speed Chain Featuring a durable stainless steel build with a range of performance-enhancing technologies, the Shimano HG701 Ultegra and XT 11 Speed Chain offers smooth, crisp shifting for both road cycling and mountain bike (MTB) riding. Speed: 11-Speed Links: 114 Weight: 257g Technologies: Shadow RD: Traditional derailleurs extend wider than the profile of your bike. With its low-profile design, Shadow RD is a more compact derailleur that fits closer to the frame, with more direct cable routing. Shadow RD maintains a consistent distance to the cassette for increased shift stability. The reduced body width creates a sleek and smooth appearance, ensuring less damage in a crash. Please note that this groupset does not come supplied with outer cables. Front mech support plates not included. A 2-year warranty is offered with all Shimano products. Manufacturer's Part Numbers: R800017050341128P Grey 50/34T x 11-28 170mm R800017250341128P Grey 50/34T x 11-29 172.5mm R800017550341128P Grey 50/34T x 11-30 175mm
This Ultegra XT 11 speed bike chain features a symmetrical design that's super narrow and lightweight. Developed for smoother and more precise shifting, it also comes complete with Shimano's single-use "QLink" joining link, for tool-free assembly. This means you'll be able to get back out on the road or MTB trails quickly and easily. Technologies: - Outer plate design has been developed to reduce the chance of chain suck. - Sil-Tec surface treatment technology (PTFE plating) on inner and outer links that is smooth running and increases durability. - Zinc-Alloy plated outer links. - The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and near silent running. - 5.62mm chain width, optimised for 11-speed Super Narrow HG-EV drivetrains. - Comes complete with Quick Link, which enables fast tool free chain assembly.
The hubs on the Shimano Ultegra RS700 C30 wheels feature high-quality contact seals and the legendary, highly adjustable Shimano cup and cone bearings that provide silky smooth rolling prowess and consistent performance. The rear wheel has been laced together using the Shimano OPTBAL 2:1 spoke lacing pattern. This means the drive side has twice as many spokes as the non-drive side and dramatically increases stiffness and rigidity, which is very noticeable when sprinting and powering out the watts.
Designed for smooth operation, these Shimano Ultegra jockey wheels are developed for use with your Shimano 6800 or 6870 rear derailleur. Ideal for maintaining low friction, these are an ideal choice of upgrade for replacing your road bike's worn-out existing pulley wheels.
This Shimano Ultegra 6800 outer chainring is a genuine replacement for Ultegra FC-6800 4-bolt chainsets. For best shifting performance please take a note of the matching inner rings these outer rings need to be paired with. Please note: Only the outer chainring will be supplied. Sold individually.
Can also use 52T Outer Chainring from FC-7900 or FC-5700, these are a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.
With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear. The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts. Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold. Climbing twin button satellite shift switch is used to operate the rear derailleur whilst your hands are on the top of the bars, one button up, one button down.
The compound of the Shimano Ultegra R55C4 brake pads ensures great braking performance in both dry and wet conditions. It also offers excellent wear resistance.
The Shimano Ultegra R780 is a flat bar brake lever that's compatible with a wide variety of brakes and features a slim, ergonomic shape. Ideal for commuting on busy roads, these are kitted out with an adjustable lever reach that's developed for Shimano's Super SLR road bike brake calipers, but they also work equally well with V-Brakes, mechanical disc brakes and cantilever brakes. Another highlight is they're equipped with a rock-solid aluminium construction that's anodised and polished for additional protection against wear and corrosion. Weighing in at only 170g, these are a lightweight choice of upgrade that gives your road bike's braking setup a sleek finish. Manufacturer's Part Number: BL-R780
The updated ergonomic design of the Shimano Ultegra ST-R8070 Di2 11 Speed STI Road Levers clearly separates the shift buttons so you can shift easily and efficiently, even in the depths of winter when you're wearing thick gloves. Designed for Hydraulic Brakes The ST-R8070 dual control lever is designed specifically for use with hydraulic brakes for excellent rider feel and control in all conditions. Multi-Shift Each switch on the Shimano Ultegra ST-R8070 can be used to multi-shift. Additionally, the top hood buttons can be programmed and customised through the Shimano E-Tube app or PC software to control third-party devices. Technologies: Di2: The power and precision of Di2 is unmatched. It enables beautifully smooth shifting both front and rear. The lack of maintenance and adjustment is impressive: once you’ve customised your Di2 to shift to your preferences, it will continue to do so endlessly. E-Tube: Change all Di2 functions and operations through the shifter buttons behind the brake levers, the top hood buttons or satellite buttons for TT/Triathlon, sprinting and climbing. You can easily customise shift speed, multi-shift options and Synchro Shift. You can also customise the top hood buttons to control third party-devices, for example to scroll through bike computer menus. The functionality on third-party computers also allows you to display Di2 system information, such as battery level and the gear you’re in.
Shimano Ultegra WH-6800-R Freehub BodyCompatible with both the Ultegra 6800 and Dura-Ace 9000 rear hubs, this freehub body will breathe new life back into your Shimano rear wheel. Compatible with 9, 10 and 11-Speed Shimano/SRAM road bike cassettes it will have your road bike’s rear wheel working like it’s just come out of the box.Features:Genuine Shimano replacement part Compatibility: Ultegra 6800 and Dura-Ace 9000 rear hubs Speed: 10, 11-Speed Shimano/SRAM road bike cassettes Manufacturer's Part Number: Y49398060 Buy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Ultegra RS700 C30 TL Road WheelsetCarefully engineered by Shimano to deliver responsive handling and direct rider to road power transfer, the Ultegra RS700 C30 TL Road Wheelset is an ideal choice for demanding cyclists. Rolling on a carbon fibre rim with an alloy braking surface, it brings you efficient acceleration and a low overall weight. A front and rear specific rim height profile give you the ideal balance of crosswind stability and rigidity.Road Wheels with Sealed HubsThe hubs feature high-quality contact seals combined with cup and cone bearings that provide smooth rolling and consistent performance. The rear wheel features Shimano OPTBAL 2:1 spoke lacing, where the drive side has twice as many spokes as the non-drive side. This 2:1 spoke lacing increases stiffness and rigidity, and is especially noticeable when putting the power down.Features: Material: Rims: Carbon; Braking Surface: Aluminium; Hubs: Alloy; Spokes: Stainless Steel; Freehub Body: Steel; Nipples: Aluminium Tyre Type: Clincher Tubeless Ready: Yes Rim Profile: Front: 24mm; Rear: 28mm Rim External Width: 20.8mm Rim Internal Width: 15mm Braking System: Rim brake Axle Compatibility: Quick Release Spoke Type: Straightpull, double butted, aero Spoke Count: Front: 16 (radial); Rear: 21 (crossed) Minimum Valve Length: 40mm Weight: 1.56kgBuy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.