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Shimano ST-R8170 Ultegra Di2 STI Hydraulic Disc Brake - Flat Mount - Rear Shift / Front Brake
  • £384.00
  • RRP £449.99
  • Saving you £15

To the delight of riders and mechanics alike, the new Ultegra BR-R8170 Hydraulic Disc brake delivers enhanced modulation, a quieter brake system and an easier than ever bleed process.High performance Ultegra Wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditionsWireless connectivity to the front and rear derailleurs for effortless trouble free gear shiftsWith 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 gearFull and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratioSimply pressing tactile buttons allows effortless and comfortable shifting even when your hands are coldDrop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STIHydraulic brake lever with Servo Wave provides excellent stopping power with less effort especially from the hood positionHydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wearFinely tuneable reach adjusters for the levers enable custom fitment for all handsLevers use CR1632 batteries which last for approximately 1.5-2 yearsKit contains bled ST-R8170 STI, BR-R8170 flat mount brake callipers with pads, hoses and mineral oil (without rotors or adapters)The Ultegra R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain. The redesigned Ultegra ST-R8170 have all-new ergonomics, even more precise brake modulation, and wireless electronic shifting. This trifecta lets you focus on the next sprint, the next descent, or the next joke from your riding partner.Shimano's new Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The all-new Di2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering our fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.

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Shimano ST-R8170 Ultegra Di2 STI Shift / Brake Lever - Front Shift / Rear Brake
  • £299.99
  • RRP £349.99
  • Saving you £14

Road riding has never been this much fun. That's because the redesigned Ultegra ST-R8170 Dual Control Levers have all-new ergonomics, even more precise brake modulation, and wireless electronic shifting. This trifecta lets you focus on the next sprint, the next descent, or the next joke from your riding partner.Shimano's new Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven Servo Wave technology. The all-new Di2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering our fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.High performance Ultegra Wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditionsWireless connectivity to the front and rear derailleurs for effortless trouble free gear shiftsWith 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 gearFull and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratioSimply pressing tactile buttons allows effortless and comfortable shifting even when your hands are coldDrop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STIHydraulic brake lever with Servo Wave provides excellent stopping power with less effort especially from the hood positionHydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wearFinely tuneable reach adjusters for the levers enable custom fitment for all handsLevers use CR1632 batteries which last for approximately 1.5-2 years

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Shimano ST-R8170 Ultegra Di2 STI Shift / Brake Lever - Rear Shift / Front Brake
  • £299.99
  • RRP £349.99
  • Saving you £14

Road riding has never been this much fun. That's because the redesigned Ultegra ST-R8170 Dual Control Levers have all-new ergonomics, even more precise brake modulation, and wireless electronic shifting. This trifecta lets you focus on the next sprint, the next descent, or the next joke from your riding partner.Shimano's new Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven Servo Wave technology. The all-new Di2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering our fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.High performance Ultegra Wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditionsWireless connectivity to the front and rear derailleurs for effortless trouble free gear shiftsWith 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 gearFull and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratioSimply pressing tactile buttons allows effortless and comfortable shifting even when your hands are coldDrop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STIHydraulic brake lever with Servo Wave provides excellent stopping power with less effort especially from the hood positionHydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wearFinely tuneable reach adjusters for the levers enable custom fitment for all handsLevers use CR1632 batteries which last for approximately 1.5-2 years

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Shimano Ultegra 6600 10 Speed Cassette - Grey - 14-25t}, Grey
  • £71.99
  • RRP £79.99
  • Saving you £10

Shimano Ultegra 6600 10 Speed CassetteDesigned for high performance 10-speed road bikes, mainly aimed at racing juniors and lower teeth. The hyperglide sprockets have been specially computer designed to create a specific configuration that results in a smooth shift even when under high impact.FeaturesWeighs 235gDesigned for super narrow 10 speed HG chainsSprockets cut away and drilledReduced weightClose ratio gearingBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra 6600 10 Speed Cassette - Grey - 16-27t}, Grey
  • £71.99
  • RRP £79.99
  • Saving you £10

Shimano Ultegra 6600 10 Speed CassetteDesigned for high performance 10-speed road bikes, mainly aimed at racing juniors and lower teeth. The hyperglide sprockets have been specially computer designed to create a specific configuration that results in a smooth shift even when under high impact.FeaturesWeighs 235gDesigned for super narrow 10 speed HG chainsSprockets cut away and drilledReduced weightClose ratio gearingBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra 6600 10 Speed Cassette Cassettes
  • £71.99
  • RRP £79.99
  • Saving you £10

Optimised for use with hard-riding 10-speed road bikes, this quality-built cassette is mainly aimed at racing juniors and lower teeth. Equipped with Hyperglide sprockets, computer designed for specific configurations, a smooth and reliable shift is assured, even under extreme pressures and conditions.

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Shimano Ultegra 6600 10 Speed Chain Chains
  • £34.99

This Shimano Ultegra 6600 10 speed chain is a Hyperglide (HG) series model and is recommended for Ultegra drivetrains. Durability is assured through a chromising treatment on link pins, and the heat treatment of rollers, pins, and plates. Mushrooming of the pins gives unsurpassed side-plate retention, enabling the chain to far exceed the BS/ISO standard for breaking force. Technologies: - HyperGlide (HG) technology has chamfered inner plates to optimise shifting performance on HG sprockets. - Durability enhanced by chromising treatment on link pins, and heat-treated rollers, pins and plates. - Machine pressing of the pins gives unsurpassed side-plate retention, enabling the chain to far exceed the BS/ISO standard for breaking force. - 5.88mm chain width, optimised for 10-speed SuperNarrow HG drivetrains. - Zinc-alloy silver finish on outer plates and grey finish on inner plates increase corrosion resistance.

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Shimano Ultegra 6600 10 Speed Road Bike Chain - Silver - 114 Links}, Silver
  • £34.99

Shimano Ultegra 6600 10 Speed Road Bike ChainAccurately machined and constructed to get the absolute best performance from your road bike’s Shimano 10-Speed drivetrain, the Ultegra 6600 chain adopts Shimano’s HyperGlide (HG) technology for smoother and faster shifting. Despite its low weight of 280g, this chain is highly durable thanks to its heat-treated plates, rollers and pins. The pins also have a chromising treatment and have been machine pressed to increase the chain’s strength under load.Features: Speed: 10-Speed Links: 114 Use: Road Compatibility: Shimano/SRAM 10-Speed road bike drivetrains Adjustable: Yes Joining Pin Included: Yes Quick Link Included: No HyperGlide (HG) technology has chamfered inner plates to optimise shifting performance on HG sprockets Durability enhanced by chromising treatment on link pins, and heat-treated rollers, pins and plates Machine pressing of the pins gives unsurpassed side-plate retention, enabling the chain to far exceed the BS/ISO standard for breaking force 5.88mm chain width, optimised for 10-speed SuperNarrow HG drivetrains Zinc-alloy silver finish on outer plates and grey finish on inner plates increase corrosion resistance Manufacturer's Part Number: CN6600114I Weight: 280gA 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 6700 10 Speed Cassette - 11-23T
  • £67.49
  • RRP £74.99
  • Saving you £10

Ultra lightweight Shimano Ultegra 10-speed cassette with an aluminium sprocket carrier and lock ring to reduce stress and improve shifting even under the most demanding gear changes. Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. The close ratio gearing available allows a more efficient use of energy through finer cadence control. The Ultegra cassette comes in a wide range of ratios to meet the demands of all riders, and is designed for use with Super Narrow 10-speed HG chains.Weight: 209g (approx)

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Shimano Ultegra 6700 10 Speed Cassette - 11-25T
  • £67.49
  • RRP £74.99
  • Saving you £10

Ultra lightweight Shimano Ultegra 10-speed cassette with an aluminium sprocket carrier and lock ring to reduce stress and improve shifting even under the most demanding gear changes. Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. The close ratio gearing available allows a more efficient use of energy through finer cadence control. The Ultegra cassette comes in a wide range of ratios to meet the demands of all riders, and is designed for use with Super Narrow 10-speed HG chains.Weight: 209g (approx)

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Shimano Ultegra 6700 10 Speed Cassette Cassettes
  • £74.99

Thanks to its rigid alloy sprocket carrier, this 10-speed Shimano Ultegra 6700 road cassette offers the perfect balance of reduced weight and better shifting performance, even under the most demanding gear changes.   This cassette will be compatible with any 10 Speed Shimano HG11 freehub, as well as any Shimano 10 speed chain. Please note: This item does not come with a freehub spacer.

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Shimano Ultegra 6700 10 Speed Road Cassette - Silver - 11-23t}, Silver
  • £74.99

Shimano Ultegra 6700 10 Speed Road CassetteManufactured from a tough alloy, this 10-speed Ultegra cassette brings you the perfect mix of low weight and durability. Equipped with Shimano's Hyperglide shifting technology, it will consistently deliver clean and crisp gear changes, even when you're pedalling hard on a sprint or a climb.Reasons to Buy: Tough Alloy construction. 10 speed. Lightweight and durable.Hyperglide shifting technology.Features: Material: Alloy Speed: 10-speed Compatibility: 10-speed chains and all Shimano 10-speed road rear derailleurs Use: Road Hyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear Wide gear range to meet the demands of all types of rider Weight: 208g (11-23T)Please Note: This product does not come with a spacer.Manufacturer Reference Codes: 11-25T: CS670010125; 11-23T: CS670010123; 11-28T: CS670010128; 12-25T: CS670010225; 12-30T: CS670010230A 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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