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Shimano Ultegra CS6600 10 Speed Road Cassette
  • £71.99
  • RRP £79.99
  • Saving you £10

High performance 10-speed Road cassette.Key Features:Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load,Close ratio gearing allows a more efficient use of energy through finer cadence control,Three largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity,Sprockets are cut away and drilled to further reduce weight without reducing rigidity,Nickel-plated finish offers hard wearing resistance to corrosion,Chrome-plated steel cassette lockring,For Super Narrow 10-speed HG chains.

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Shimano Ultegra CS6700 10 Speed Road Cassette
  • £74.99

Key Features:Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes,Hyperglide sprockets have been designed to reduce weight with improve teeth shaping giving accurate shifting and reduced wear,Wide gear range to meet the demands of all types of rider,Weight 208 grams (11-23 teeth).

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Shimano Ultegra GRX RD-R8000/RX812 tension and guide pulley set
  • £20.99

This product is a Genuine Shimano replacement part,For Ultegra and GRX RD-R8000 RD-R8050 RD-RX800 RD-RX805 RD-RX812 rear derailleurs.

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Shimano Ultegra GRX RD-R8000/RX812 Tension and Guide Pulley Set
  • £16.79
  • RRP £20.99
  • Saving you £20

The Shimano Ultegra GRX RD-R8000/RX812 Tension and Guide Pulley Set is for Ultegra and GRX RD-R8000 RD-R8050 RD-RX800 RD-RX805 RD-RX812 rear derailleurs. This product is a Genuine Shimano replacement part.

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Shimano Ultegra HG800 Cassette (11 Speed) - Silver - 11-34t}, Silver
  • £85.00
  • RRP £94.99
  • Saving you £11

Shimano Ultegra HG800 Cassette (11 Speed)The HG800 is Shimano’s 11 speed Ultegra cassette with a wide range ratio of 11-34t and designed to be used with a medium or long cage derailleur.With its high-end sprockets, this 11-speed road bike cassette delivers outstanding drivetrain performance and superior shifting. Ideal for gravel bikes, it will get you quickly to speed and help you take on steep climbs. Designed to combine with any Shimano 11-speed rear derailleur, you'll enjoy efficient gear changes and smooth operation. In addition to the smooth performance, the cassette is built around an aluminium fibre spider and has drilled out sprockets to reduce the overall weight.Features:Material: Aluminium (spider), Steel (sprockets), Aluminium (lockring)Compatible Chain: HG-EV, HG-X (11-Speed)Shifting: Hyperglide (HG)Use: MTB, Road Manufacturer's Part Number: CSHG800134 11-34T requires use of longer mid cage Ultegra rear derailleurs 11-13-15-17-19-21-23-25-27-30-34TWeight: 335g

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Shimano Ultegra R55C3 Cartridge Brake Shoe Set - Grey - Pair - BR-6700-G}, Grey
  • £16.99

Shimano Ultegra R55C3 Cartridge Brake Shoe SetThis set from Shimano includes a cartridge brake shoe set that is compatible with Shimano's Ultegra 6700 caliper brake systems. Features:Exactly the same specification as originally supplied, ensuring consistent performanceDelivers high power and excellent modulationNew brake shoe compound: 100% more stopping power in wet conditionsA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra R55C3 Cartridge Brake Shoe Set - Silver - Pair - BR-6700}, Silver
  • £16.99

Shimano Ultegra R55C3 Cartridge Brake Shoe SetThis set from Shimano includes a cartridge brake shoe set that is compatible with Shimano's Ultegra 6700 caliper brake systems. Features:Exactly the same specification as originally supplied, ensuring consistent performanceDelivers high power and excellent modulationNew brake shoe compound: 100% more stopping power in wet conditionsA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra R8000 11 Speed Cassette Cassettes
  • £53.99
  • RRP £84.99
  • Saving you £36

Ready for racing, the superb Shimano R8000 cassette is equipped with 11 steel sprockets which are more than capable of handling all the intensity that comes with all-day road bike events. Using HG-EV technology, this version gives you a rider-tuned gear combination and cadence management. This means you'll benefit from its optimal gear ratio within your Ultegra groupset, which perfectly suits your riding discipline, so you can blast up to speed in seconds and maintain the edge over your competitors. Tech Tip: This cassette is compatible with all Shimano 11-speed road derailleurs. However, you should choose the same tooth count as your existing cassette or confirm the maximum cassette capacity for your derailleur before choosing) Please Note: The 11-34T version of this cassette is the "CS-HG800" model as Shimano does not make the CS-R8000 in an 11-34T version. Cassette Ratios: 11-25T: 11-12-13-14-15-16-17-19-21-23-25T 11-28T: 11-12-13-14-15-17-19-21-23-25-28T 11-30T: 11-12-13-14-15-17-19-21-24-27-30T 11-32T: 11-12-13-14-16-18-20-22-25-28-32T 11-34T: 11-13-15-17-19-21-23-25-27-30-34T Technologies: HG-EV: HG-EV cassette sprocket is for rider-tuned gear combination & cadence management. Shimano provides an optimal 11-speed drivetrain gear ratio; you can choose wider and closer gear combinations to match various riding disciplines. HG-EV cassette sprocket is obtained 11-speed gear without compromising the 10-speed durability and improved Hyperglide shifting. HG-X11: Silky driving, accurate shifting. HG-X11 directional chain realises smoother shifts and greater overall performance. The right and left sides are optimised for front and rear shifting respectively.

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Shimano Ultegra R8000 11 Speed Chainset Chainsets
  • £199.00
  • RRP £269.99
  • Saving you £26

Eagerly anticipated, the updated Shimano R8000 crankset has arrived. Featuring clear improvements in aesthetics and performance from the 6800 series, the Ultegra R8000 series has hugely benefited from the trickle-down technology of its big brother, the Dura-Ace R9000 model. This completely updated road bike chainset features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames that have wider rear dropouts and longer chainstays. Offering weight reduction without sacrificing stiffness, the Shimano Ultegra R8000 chainset enables a wide range of gear combinations to suit your every need. Paired with the updated front and rear derailleurs, your shifts will be so fast and reliable that you’ll almost question whether they happened at all. The beautifully shaped crankarms borrow their styling from Dura-Ace and will complement and enhance the aesthetics of your bike.

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Shimano Ultegra R8000 11 Speed Chainset w-o BB - Black - 46.36t}, Black
  • £215.99
  • RRP £269.99
  • Saving you £20

Shimano Ultegra R8000 11 Speed Chainset w/o BBEagerly anticipated, the updated Shimano R8000 crankset has arrived. Featuring clear improvements in aesthetics and performance from the 6800 series, the Ultegra R8000 series has hugely benefited from the trickle-down technology of its big brother, the Dura-Ace R9000 model. This completely updated road bike chainset features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames that have wider rear dropouts and longer chainstays.Offering weight reduction without sacrificing stiffness, the Shimano Ultegra R8000 chainset enables a wide range of gear combinations to suit your every need. Paired with the updated front and rear derailleurs, your shifts will be so fast and reliable that you'll almost question whether they happened at all. The beautifully shaped crankarms borrow their styling from Dura-Ace and will complement and enhance the aesthetics of your bike.Hollowtech II TechnologyProviding the best balance of stiffness, strength, weight and rotating performance. The concept of Hollowtech II technology is focused on producing a superior crankset that will maximise a rider's power transfer. The rigidity of the crankset ensures pedalling 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 II 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 pedalling stability, allowing for more efficient power transfer.Features: Speed: 11 Speed Number of Chainrings: 2 Crank Construction: Hollowtech II (24mm spindle) Chainline: 43.5mm Q-Factor: 146mm Bolt Circle Diameter (BCD): 4x110mm asymmetric Bottom Bracket Included: No Redesigned crank arms for greater frame compatibility Lightweight crankarm design optimised for power-transfer efficiency Weight: 53/39T Option: 690g; 46/36T Option: 668gTechnologies: Lightweight crankarm design optimised for power-transfer efficiency. Minimal weight without sacrificing stiffness. Hollowtech II. Rider-tuned gear performance through various gear combinations. Redesigned FC for greater frame compatibility. Wider gear pitch increases clearance between chain and leading teeth, providing compatibility with frames of O.L.D. 135mm and 410mm chainstay length.Manufacturer's Part Numbers: 89222995 Black 46/36T 170mm 89222994 Black 53/39T 165mmBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra R8000 11 Speed Chainset w-o BB - Black - 53.39t}, Black
  • £215.99
  • RRP £269.99
  • Saving you £20

Shimano Ultegra R8000 11 Speed Chainset w/o BBEagerly anticipated, the updated Shimano R8000 crankset has arrived. Featuring clear improvements in aesthetics and performance from the 6800 series, the Ultegra R8000 series has hugely benefited from the trickle-down technology of its big brother, the Dura-Ace R9000 model. This completely updated road bike chainset features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames that have wider rear dropouts and longer chainstays.Offering weight reduction without sacrificing stiffness, the Shimano Ultegra R8000 chainset enables a wide range of gear combinations to suit your every need. Paired with the updated front and rear derailleurs, your shifts will be so fast and reliable that you'll almost question whether they happened at all. The beautifully shaped crankarms borrow their styling from Dura-Ace and will complement and enhance the aesthetics of your bike.Hollowtech II TechnologyProviding the best balance of stiffness, strength, weight and rotating performance. The concept of Hollowtech II technology is focused on producing a superior crankset that will maximise a rider's power transfer. The rigidity of the crankset ensures pedalling 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 II 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 pedalling stability, allowing for more efficient power transfer.Features: Speed: 11 Speed Number of Chainrings: 2 Crank Construction: Hollowtech II (24mm spindle) Chainline: 43.5mm Q-Factor: 146mm Bolt Circle Diameter (BCD): 4x110mm asymmetric Bottom Bracket Included: No Redesigned crank arms for greater frame compatibility Lightweight crankarm design optimised for power-transfer efficiency Weight: 53/39T Option: 690g; 46/36T Option: 668gTechnologies: Lightweight crankarm design optimised for power-transfer efficiency. Minimal weight without sacrificing stiffness. Hollowtech II. Rider-tuned gear performance through various gear combinations. Redesigned FC for greater frame compatibility. Wider gear pitch increases clearance between chain and leading teeth, providing compatibility with frames of O.L.D. 135mm and 410mm chainstay length.Manufacturer's Part Numbers: 89222995 Black 46/36T 170mm 89222994 Black 53/39T 165mmBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra R8000 11 Speed Groupset Groupsets
  • £959.99
  • RRP £1099.99
  • Saving you £13

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.  

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