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Shimano SLX M7120 12 Speed MTB Rear Derailleur - Black - Long Cage}, Black
  • £84.99

Shimano SLX M7120 12 Speed MTB Rear DerailleurThis stunning rear mech delivers fast and slick shifting for more efficient performance on rough off-road terrains. Its newly added pulley cage bumper both protects it from trailside obstacles and keeps it running silently in all gear positions. Topping it off, is its low-profile design which features an extra wide 12 speed range, giving you advanced shifting performance and more confidence on the trails. Features: Material: Alloy Size: Long Cage Speed: 12 speed Use: MTB Compatible Chain: HG 12 speed Bushings: 4 fluoric coated link bushings Low Sprocket Max: 45T Low Sprocket Min: 45T Top Sprocket Max: 10T Top Sprocket Min: 10T Total Capacity: 45T Pulley Teeth: 13T Spring Type: Shimano Shadow RD+Technologies: Shimano Shadow RD+: Less distraction and a quieter drive train. Rear derailleur stabiliser reduces chain slap. A simple solution for chain drop. Lighter and more efficient than a roller type chain device. A 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 GRX 817 Di2 1x11sp Rear Derailleur - Black - Medium Cage}, Black
  • £309.99

Shimano GRX 817 Di2 1x11sp Rear DerailleurThis stunning rear mech is engineered to give you perfect shifting performance when riding on rough roads, gravel and muddy conditions. Ready to take on any challenge, the RX817 features an adjustable chain stabiliser which prevents chain slapping and drops. Shimano has also included a switch stabiliser which can be set to on/off to match the terrain conditions, which allows you more freedom to explore the unknown. Gravel-Tuned Rear ShiftingInspired by off-road groupsets, you'll enjoy its silent and uninterrupted rear shifting on harsher terrain conditions, where most common systems would fail. Whether you're planning a new adventure or joining friends after work for a ride out, this superb model's gravel-tuned clutch makes gear changing a breeze in any situation.Smooth and reliable, this rear derailleur features some of the finest technologies to keep you riding at the top of your game. Its revolutionary Di2 shifting system solves many of the challenges that mechanical systems face with the use of state-of-the-art electronics. This technology gives you instant, accurate and lightning-fast shifts every time you ride, at the push of a button. You'll also be able to change gear when under heavy load while climbing and accelerating for a top-level shifting experience.Features:  Use: Gravel, Road Speed: 11 speed   Link Bushings: 4 fluoric coated link bushings   Low Sprocket Max: 42T   Low Sprocket Min: 40T   Top Sprocket Max: 11T   Top Sprocket Min: 11T  Total Capacity: 31T Spring Type: Shadow RD+Technologies:  Di2: The revolutionary DI2 shifting system solves the challenges drivetrains present to the power-delivery equation in cycling. DI2 gives you instant, accurate, lighting-fast shifts the first and every time, at the push of a button. Even in the most extreme conditions, shifting is precise and controlled. You can change gear even under heavy load while climbing or accelerating. With DI2, you are in complete control.    E Tube: The E-TUBE platform's “Plug & play” and D-FLY wireless connections make it easier than ever to check the system's status, and apply customized settings to DI2 and Shimano Steps components with a PC, tablet or smart phone.   SEIS: The SEIS innovative shift technology is still based on the Shimano Index System (SIS) that has proved its superior gear changing characteristics over the years. The big difference is that in this case, the shifting action is provided for by electronics instead of mechanics. This electronic shifting system has been extensively tested over past two years by several professional riders in all conditions possible, such as rain, mud, low temperatures, cobble stone roads and combinations of all of these at the same time. Shifting is executed by simply pressing the button. No power is needed to shift, which gives important advantages since it is easier now to always keep a tight grip on the handlebar and to keep your concentration on riding instead on shifting.   Shadow RD+: Less distraction quiet drive train. Rear derailleur stabilizer reduces chain slap. Simple solution for chain drop. Lighter and more efficient than roller type chain device. A 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 XTR M9120 12 Speed MTB Rear Derailleur - Grey - Long Cage}, Grey
  • £214.99

Shimano XTR M9120 12 Speed MTB Rear DerailleurThe Shimano XTR M9120 Rear Derailleur features an elegant, refined and optimised design, which is aimed at providing maximum drivetrain efficiency over the most demanding terrain. The derailleur has been redesigned to ensure that chain tension is decreased when in the low gear position (41T on cassette), which makes shifting easier while the Shadow+ mechanism ensures chain stability. Featuring oversized 13T pulley wheels, updated Shadow RD+ mechanism and is tailored specifically to provide maximum chain retention and shifting accuracy across the new Shimano 12-Speed drivetrain transmission system.Features: Material: Aluminium, Stainless Steel Drivetrain Speed: 12-Speed Low Sprocket Max: 45T Low Sprocket Min: 45T Top Sprocket Max: 10T Top Sprocket Min: 10T Total Capacity: 41T G Pulley Bearings: Sealed Link Bushings: Fluoric coated Pulley Teeth: 31T Spring Type: Shimano Shadow RD+ Compatible Chain: CN-M9100 Weight: 241gBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano 105 R7000 11 Speed Rear Derailleur - Silver - Medium Cage}, Silver
  • £54.99
  • RRP £59.99
  • Saving you £8

Shimano 105 R7000 11 Speed Rear DerailleurBoasting the best of Shimano's Shadow technology, the 105 R7000 11 Speed Rear Derailleur offers unrivalled smooth shifting performance that stabilises the chainset movement and keeps the derailleur close to the chainstay. Incredibly reliable it offers precise drivetrain performance and a wide gear ratio ensuring a smooth shift performance that is durable, versatile and efficient. Features: Material: Aluminium Drivetrain Speed: 11-Speed Compatible Chain: HG-EV 11-Speed / HG-X11 Pulley Teeth: 11T Weight: Short Cage: 225g; Medium Cage 232g Cassette Capacities: Short Cage Option: Total Capacity: 35T Max Front Ratio Difference: 16T Low Sprocket: Max: 30T; Min: 25T Top Sprocket: Max: 14T; Min: 11T Maximum Cassette Size: 11-30T Medium Cage Option: Total Capacity: 39T Max Front Ratio Difference: 16T Low Sprocket: Max: 34T; Min: 28T Top Sprocket: Max: 12T; Min: 11T Maximum Cassette Size: 11-34TBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano 105 R7000 11 Speed Rear Derailleur - Silver - Short Cage}, Silver
  • £54.99

Shimano 105 R7000 11 Speed Rear DerailleurBoasting the best of Shimano's Shadow technology, the 105 R7000 11 Speed Rear Derailleur offers unrivalled smooth shifting performance that stabilises the chainset movement and keeps the derailleur close to the chainstay. Incredibly reliable it offers precise drivetrain performance and a wide gear ratio ensuring a smooth shift performance that is durable, versatile and efficient. Features: Material: Aluminium Drivetrain Speed: 11-Speed Compatible Chain: HG-EV 11-Speed / HG-X11 Pulley Teeth: 11T Weight: Short Cage: 225g; Medium Cage 232g Cassette Capacities: Short Cage Option: Total Capacity: 35T Max Front Ratio Difference: 16T Low Sprocket: Max: 30T; Min: 25T Top Sprocket: Max: 14T; Min: 11T Maximum Cassette Size: 11-30T Medium Cage Option: Total Capacity: 39T Max Front Ratio Difference: 16T Low Sprocket: Max: 34T; Min: 28T Top Sprocket: Max: 12T; Min: 11T Maximum Cassette Size: 11-34TBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano 105 R7000 11 Speed Rear Derailleur - Black - Short Cage}, Black
  • £39.99
  • RRP £54.99
  • Saving you £27

Shimano 105 R7000 11 Speed Rear DerailleurBoasting the best of Shimano's Shadow technology, the 105 R7000 11 Speed Rear Derailleur offers unrivalled smooth shifting performance that stabilises the chainset movement and keeps the derailleur close to the chainstay. Incredibly reliable it offers precise drivetrain performance and a wide gear ratio ensuring a smooth shift performance that is durable, versatile and efficient. Features: Material: Aluminium Drivetrain Speed: 11-Speed Compatible Chain: HG-EV 11-Speed / HG-X11 Pulley Teeth: 11T Weight: Short Cage: 225g; Medium Cage 232g Cassette Capacities: Short Cage Option: Total Capacity: 35T Max Front Ratio Difference: 16T Low Sprocket: Max: 30T; Min: 25T Top Sprocket: Max: 14T; Min: 11T Maximum Cassette Size: 11-30T Medium Cage Option: Total Capacity: 39T Max Front Ratio Difference: 16T Low Sprocket: Max: 34T; Min: 28T Top Sprocket: Max: 12T; Min: 11T Maximum Cassette Size: 11-34TBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano 105 R7000 11 Speed Rear Derailleur - Black - Medium Cage}, Black
  • £54.99
  • RRP £59.99
  • Saving you £8

Shimano 105 R7000 11 Speed Rear DerailleurBoasting the best of Shimano's Shadow technology, the 105 R7000 11 Speed Rear Derailleur offers unrivalled smooth shifting performance that stabilises the chainset movement and keeps the derailleur close to the chainstay. Incredibly reliable it offers precise drivetrain performance and a wide gear ratio ensuring a smooth shift performance that is durable, versatile and efficient. Features: Material: Aluminium Drivetrain Speed: 11-Speed Compatible Chain: HG-EV 11-Speed / HG-X11 Pulley Teeth: 11T Weight: Short Cage: 225g; Medium Cage 232g Cassette Capacities: Short Cage Option: Total Capacity: 35T Max Front Ratio Difference: 16T Low Sprocket: Max: 30T; Min: 25T Top Sprocket: Max: 14T; Min: 11T Maximum Cassette Size: 11-30T Medium Cage Option: Total Capacity: 39T Max Front Ratio Difference: 16T Low Sprocket: Max: 34T; Min: 28T Top Sprocket: Max: 12T; Min: 11T Maximum Cassette Size: 11-34TBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra R8000 11 Speed Rear Derailleur - Grey - Medium Cage}, Grey
  • £94.99

Shimano Ultegra R8000 11 Speed Rear DerailleurNow compatible with a wider range of cassette tooth count options, the Ultegra R8000 11 Speed Rear Derailleur delivers has been optimised by Shimano to offer fast and accurate gear shifts with minimal rider effort. In addition to the slick shifting, it also adopts the “Shadow” cage design to sit closer to your bike's frame. This improving its aerodynamics and protects it should you be unlucky enough to have a crash. Race-ready, it’s made in two different cage sizes to suit your cassette size preference.Key Features: Material: Alloy Colour: Grey Speed: 11-Speed Compatibility: All Shimano 2x11-Speed road drivetrainsCage Size: Separate short and medium cage size options Cassette Size Capacity: Short Cage: 11-25T to 11-30T; Medium Cage: 11-28T to 11-34T Total Capacity: Short Cage: 35T; Medium Cage: 39T Mounting: Standard hanger mount or direct mount Clutch Type: No Shadow Technology Low-profile design Precise and accurate shifting Manufacturer's Part Number: Short Cage: RD-R8000-SS; Medium Cage: RD-R8000-GS Weight: Short Cage: 200g; Medium Cage: 210gTechnologies: Shadow RD: Traditional derailleurs extend wider than the profile of your bike. With its low-profile design, Shadow RD (Reduced main derailleur body) 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 crashA 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 Rear Derailleur - Grey - Short Cage}, Grey
  • £82.99
  • RRP £89.99
  • Saving you £8

Shimano Ultegra R8000 11 Speed Rear DerailleurNow compatible with a wider range of cassette tooth count options, the Ultegra R8000 11 Speed Rear Derailleur delivers has been optimised by Shimano to offer fast and accurate gear shifts with minimal rider effort. In addition to the slick shifting, it also adopts the “Shadow” cage design to sit closer to your bike's frame. This improving its aerodynamics and protects it should you be unlucky enough to have a crash. Race-ready, it’s made in two different cage sizes to suit your cassette size preference.Key Features: Material: Alloy Colour: Grey Speed: 11-Speed Compatibility: All Shimano 2x11-Speed road drivetrainsCage Size: Separate short and medium cage size options Cassette Size Capacity: Short Cage: 11-25T to 11-30T; Medium Cage: 11-28T to 11-34T Total Capacity: Short Cage: 35T; Medium Cage: 39T Mounting: Standard hanger mount or direct mount Clutch Type: No Shadow Technology Low-profile design Precise and accurate shifting Manufacturer's Part Number: Short Cage: RD-R8000-SS; Medium Cage: RD-R8000-GS Weight: Short Cage: 200g; Medium Cage: 210gTechnologies: Shadow RD: Traditional derailleurs extend wider than the profile of your bike. With its low-profile design, Shadow RD (Reduced main derailleur body) 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 crashA 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 R8050 Di2 11sp Rear Derailleur - Grey - Medium Cage}, Grey
  • £233.99
  • RRP £259.99
  • Saving you £10

Shimano Ultegra R8050 Di2 Rear Derailleur (GS)The Shimano Ultegra R8050 Di2 Rear Derailleur (GS) will help you maintain race concentration through intuitive shift control. The updated low-profile design of Shimano Shadow RD increases its shift stability and gives the rear derailleur a sleek and integrated appearance. Race endurance is guaranteed, through the optimised slant angle. The wide compatibility of two specific rear derailleurs (SS for cassettes 11-25T to 11-30T and GS 11-28T to 11-34T) will secure a smooth ride in even the highest and steepest mountain areas.Features: Speed: 11-Speed Compatibility: All Shimano Di2 E-Tube road 11-Speed drivetrains Model Number: RD-R8050 Series: Ultega Di2 Maximum Sprocket: 30T Minimum Sprocket: 11T Maximum Front Difference: 16T Weight: 242g (SS type), 249g (GS type)A 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 Deore M6000 10sp Rear Derailleur - Black - Long Cage}, Black
  • £64.99

Shimano Deore M6000 10sp Rear DerailleurShimano’s Deore M6000 MTB rear derailleur brings you features that are borrowed from its top-end XTR series, but not at a top-end price point. This means you’ll enjoy outstanding drivetrain performance as you’re attacking climbs and cranking up to speed on the flats.Excellent Chain RetentionThanks to its clutch system, this mech allows you to push yourself hard on the roughest trails, without worrying about chain slap or drop. It also delivers ultra-quick, quiet shifts and with its fluorine-coated bushings, shifting requires minimal rider effort.Reasons to Buy: Uses features borrowed from the top-end XTR series. Affordable.Outstanding drivetrain performance.Ultra-quick, quiet shifts.Features: Material: Main: Steel; Body: GFRP and Aluminium Speed: 10-Speed Mount: Standard (direct mount compatible) Compatibility: Shimano 10-speed flat bar shifters and 10-speed MTB cassettes Capacity: 41T (Medium GS version), 43 teeth (long SGS version) Maximum Large Sprocket: 42T (medium GS version), 36T (long SGS version) Maximum Chainring Size Difference: 10T (medium GS version), 22T (long SGS version) Recommended Chain: HG-X 10-Speed Derailleur Pulleys: 11T Clutch Type: Yes High-efficiency drivetrain for aggressive trail riding Light shifting effort Smooth and precise shifting Silent and stable for technical trail riding DYNA-SYS compatible Low profile design reduces the risk of damage Direct mount compatible Single tension spring prevents contact with the chainstay Direct cable routing prevents snagging Improved stability and chain retention longevity Compatible with wide range cassette (medium GS version only) Fluorine-coated link bushings for low-friction operation Application: Trail, All-Mountain, Cross Country Weight: 324g (GS medium cage)Manufacturer Reference Codes: Medium Cage (GS): RDM6000GS; Long Cage (SGS): RDM6000SGSTechnologies: Shadow+: This technology provides a less distracting, quiet drivetrain as the rear derailleur stabiliser reduces chain slap. A simple solution for chain drop, which is lighter and more efficient than roller type chain devices.A 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 Deore M6000 10sp Rear Derailleur - Black - Medium Cage}, Black
  • £64.99

Shimano Deore M6000 10sp Rear DerailleurShimano’s Deore M6000 MTB rear derailleur brings you features that are borrowed from its top-end XTR series, but not at a top-end price point. This means you’ll enjoy outstanding drivetrain performance as you’re attacking climbs and cranking up to speed on the flats.Excellent Chain RetentionThanks to its clutch system, this mech allows you to push yourself hard on the roughest trails, without worrying about chain slap or drop. It also delivers ultra-quick, quiet shifts and with its fluorine-coated bushings, shifting requires minimal rider effort.Reasons to Buy: Uses features borrowed from the top-end XTR series. Affordable.Outstanding drivetrain performance.Ultra-quick, quiet shifts.Features: Material: Main: Steel; Body: GFRP and Aluminium Speed: 10-Speed Mount: Standard (direct mount compatible) Compatibility: Shimano 10-speed flat bar shifters and 10-speed MTB cassettes Capacity: 41T (Medium GS version), 43 teeth (long SGS version) Maximum Large Sprocket: 42T (medium GS version), 36T (long SGS version) Maximum Chainring Size Difference: 10T (medium GS version), 22T (long SGS version) Recommended Chain: HG-X 10-Speed Derailleur Pulleys: 11T Clutch Type: Yes High-efficiency drivetrain for aggressive trail riding Light shifting effort Smooth and precise shifting Silent and stable for technical trail riding DYNA-SYS compatible Low profile design reduces the risk of damage Direct mount compatible Single tension spring prevents contact with the chainstay Direct cable routing prevents snagging Improved stability and chain retention longevity Compatible with wide range cassette (medium GS version only) Fluorine-coated link bushings for low-friction operation Application: Trail, All-Mountain, Cross Country Weight: 324g (GS medium cage)Manufacturer Reference Codes: Medium Cage (GS): RDM6000GS; Long Cage (SGS): RDM6000SGSTechnologies: Shadow+: This technology provides a less distracting, quiet drivetrain as the rear derailleur stabiliser reduces chain slap. A simple solution for chain drop, which is lighter and more efficient than roller type chain devices.A 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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