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Shimano XT Di2 M8050 11 Speed Rear Mech Rear Derailleurs
  • £209.99
  • RRP £309.99
  • Saving you £32

The low-profile geometry and chain stabiliser ensure drivetrain security while the electronic wire transmission maintains consistent performance in all weather and trail conditions.

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Assos MILLE GT Half Shorts C2 - Black Series - XL}, Black Series
  • £207.00

Assos MILLE GT Half Shorts C2Be it the intensity of indoor training or the demands of building stamina on long rides, the Assos MILLE GT Half Shorts C2 are just right for those of you who prefer the fit and feel of waist shorts. The MILLE GT Half Shorts C2 are a cycling short made for performance but with support provided not by bib straps but by Assos' zeroPressure waist design.Across the belly, a highly flexible stretch panel gives a smooth fit but plenty of stretch for those times when you're in a low riding position and when breathing deeply during hard efforts. Meanwhile, the sides and back lock the shorts smoothly in place, preventing any slippage when you're pedalling. Endurance Fit and FeelMade for your long training rides and endurance events, the MILLE GT are made with lightly compressive Type.429 fabric. Giving a snug and supportive fit, this premium fabric not only fights fatigue but with a streamlined fit, helps save your watts and energy for those last few kilometres home. Excellent breathability makes it ideal for the heat of summer while the high degree of durability resists the wear and tear of countless kilometres.Assos AEPD (Advanced Ergonomic Pattern Design) Regular Fit Finding the perfect harmony of long-ride comfort and smooth, flexible fit, the Assos AEPD Regular Fit isn't so compressive as their RaceFit but it's certainly not going to slow you down.The aero comfort also extends to the leg grippers. 6mm in depth and using LYCRA® with woven silicone grip, they provide a secure fit while giving a smooth and uninterrupted transition from shorts to skin.MILLE GT C2 InsertWith 3mm of extra cushioning, the MILLE GT C2 pad is more comfortable, more supportive and more shock-absorbing than ever. Compressive foam layers, up to 11mm in depth, provide endurance-focused support on the saddle.The 3D Waffle design uses a three-layer construction, with perforated foams to enhance breathability and airflow. Thermoformed shaping reduces ridges and irritation while the odour-resistant top sheet maintains freshness.FeaturesMaterials: 80% Polyamide, 20% ElastaneType.429 fabric - flexible, breathable and durablezeroPressure Waist - elastic waist that reduces sag and ensures stretch-and-returnUltralight Leg Grippers - 6cm gripper with LYCRA® and woven silicone treatmentC2 AEPD regularFit - Tailored for all-day comfort and a nod to smooth aerodynamicsMILLE GT C2 Insert - Shock-absorbing 3-layer foam constructionLeg length: StandardBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Assos MILLE GT Half Shorts C2 - Black Series - L}, Black Series
  • £207.00

Assos MILLE GT Half Shorts C2Be it the intensity of indoor training or the demands of building stamina on long rides, the Assos MILLE GT Half Shorts C2 are just right for those of you who prefer the fit and feel of waist shorts. The MILLE GT Half Shorts C2 are a cycling short made for performance but with support provided not by bib straps but by Assos' zeroPressure waist design.Across the belly, a highly flexible stretch panel gives a smooth fit but plenty of stretch for those times when you're in a low riding position and when breathing deeply during hard efforts. Meanwhile, the sides and back lock the shorts smoothly in place, preventing any slippage when you're pedalling. Endurance Fit and FeelMade for your long training rides and endurance events, the MILLE GT are made with lightly compressive Type.429 fabric. Giving a snug and supportive fit, this premium fabric not only fights fatigue but with a streamlined fit, helps save your watts and energy for those last few kilometres home. Excellent breathability makes it ideal for the heat of summer while the high degree of durability resists the wear and tear of countless kilometres.Assos AEPD (Advanced Ergonomic Pattern Design) Regular Fit Finding the perfect harmony of long-ride comfort and smooth, flexible fit, the Assos AEPD Regular Fit isn't so compressive as their RaceFit but it's certainly not going to slow you down.The aero comfort also extends to the leg grippers. 6mm in depth and using LYCRA® with woven silicone grip, they provide a secure fit while giving a smooth and uninterrupted transition from shorts to skin.MILLE GT C2 InsertWith 3mm of extra cushioning, the MILLE GT C2 pad is more comfortable, more supportive and more shock-absorbing than ever. Compressive foam layers, up to 11mm in depth, provide endurance-focused support on the saddle.The 3D Waffle design uses a three-layer construction, with perforated foams to enhance breathability and airflow. Thermoformed shaping reduces ridges and irritation while the odour-resistant top sheet maintains freshness.FeaturesMaterials: 80% Polyamide, 20% ElastaneType.429 fabric - flexible, breathable and durablezeroPressure Waist - elastic waist that reduces sag and ensures stretch-and-returnUltralight Leg Grippers - 6cm gripper with LYCRA® and woven silicone treatmentC2 AEPD regularFit - Tailored for all-day comfort and a nod to smooth aerodynamicsMILLE GT C2 Insert - Shock-absorbing 3-layer foam constructionLeg length: StandardBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Assos MILLE GT Half Shorts C2 - Black Series - XS}, Black Series
  • £207.00

Assos MILLE GT Half Shorts C2Be it the intensity of indoor training or the demands of building stamina on long rides, the Assos MILLE GT Half Shorts C2 are just right for those of you who prefer the fit and feel of waist shorts. The MILLE GT Half Shorts C2 are a cycling short made for performance but with support provided not by bib straps but by Assos' zeroPressure waist design.Across the belly, a highly flexible stretch panel gives a smooth fit but plenty of stretch for those times when you're in a low riding position and when breathing deeply during hard efforts. Meanwhile, the sides and back lock the shorts smoothly in place, preventing any slippage when you're pedalling. Endurance Fit and FeelMade for your long training rides and endurance events, the MILLE GT are made with lightly compressive Type.429 fabric. Giving a snug and supportive fit, this premium fabric not only fights fatigue but with a streamlined fit, helps save your watts and energy for those last few kilometres home. Excellent breathability makes it ideal for the heat of summer while the high degree of durability resists the wear and tear of countless kilometres.Assos AEPD (Advanced Ergonomic Pattern Design) Regular Fit Finding the perfect harmony of long-ride comfort and smooth, flexible fit, the Assos AEPD Regular Fit isn't so compressive as their RaceFit but it's certainly not going to slow you down.The aero comfort also extends to the leg grippers. 6mm in depth and using LYCRA® with woven silicone grip, they provide a secure fit while giving a smooth and uninterrupted transition from shorts to skin.MILLE GT C2 InsertWith 3mm of extra cushioning, the MILLE GT C2 pad is more comfortable, more supportive and more shock-absorbing than ever. Compressive foam layers, up to 11mm in depth, provide endurance-focused support on the saddle.The 3D Waffle design uses a three-layer construction, with perforated foams to enhance breathability and airflow. Thermoformed shaping reduces ridges and irritation while the odour-resistant top sheet maintains freshness.FeaturesMaterials: 80% Polyamide, 20% ElastaneType.429 fabric - flexible, breathable and durablezeroPressure Waist - elastic waist that reduces sag and ensures stretch-and-returnUltralight Leg Grippers - 6cm gripper with LYCRA® and woven silicone treatmentC2 AEPD regularFit - Tailored for all-day comfort and a nod to smooth aerodynamicsMILLE GT C2 Insert - Shock-absorbing 3-layer foam constructionLeg length: StandardBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Assos MILLE GT Half Shorts C2 - Black Series - M}, Black Series
  • £207.00

Assos MILLE GT Half Shorts C2Be it the intensity of indoor training or the demands of building stamina on long rides, the Assos MILLE GT Half Shorts C2 are just right for those of you who prefer the fit and feel of waist shorts. The MILLE GT Half Shorts C2 are a cycling short made for performance but with support provided not by bib straps but by Assos' zeroPressure waist design.Across the belly, a highly flexible stretch panel gives a smooth fit but plenty of stretch for those times when you're in a low riding position and when breathing deeply during hard efforts. Meanwhile, the sides and back lock the shorts smoothly in place, preventing any slippage when you're pedalling. Endurance Fit and FeelMade for your long training rides and endurance events, the MILLE GT are made with lightly compressive Type.429 fabric. Giving a snug and supportive fit, this premium fabric not only fights fatigue but with a streamlined fit, helps save your watts and energy for those last few kilometres home. Excellent breathability makes it ideal for the heat of summer while the high degree of durability resists the wear and tear of countless kilometres.Assos AEPD (Advanced Ergonomic Pattern Design) Regular Fit Finding the perfect harmony of long-ride comfort and smooth, flexible fit, the Assos AEPD Regular Fit isn't so compressive as their RaceFit but it's certainly not going to slow you down.The aero comfort also extends to the leg grippers. 6mm in depth and using LYCRA® with woven silicone grip, they provide a secure fit while giving a smooth and uninterrupted transition from shorts to skin.MILLE GT C2 InsertWith 3mm of extra cushioning, the MILLE GT C2 pad is more comfortable, more supportive and more shock-absorbing than ever. Compressive foam layers, up to 11mm in depth, provide endurance-focused support on the saddle.The 3D Waffle design uses a three-layer construction, with perforated foams to enhance breathability and airflow. Thermoformed shaping reduces ridges and irritation while the odour-resistant top sheet maintains freshness.FeaturesMaterials: 80% Polyamide, 20% ElastaneType.429 fabric - flexible, breathable and durablezeroPressure Waist - elastic waist that reduces sag and ensures stretch-and-returnUltralight Leg Grippers - 6cm gripper with LYCRA® and woven silicone treatmentC2 AEPD regularFit - Tailored for all-day comfort and a nod to smooth aerodynamicsMILLE GT C2 Insert - Shock-absorbing 3-layer foam constructionLeg length: StandardBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Assos MILLE GT Half Shorts C2 - Black Series - XXL}, Black Series
  • £207.00

Assos MILLE GT Half Shorts C2Be it the intensity of indoor training or the demands of building stamina on long rides, the Assos MILLE GT Half Shorts C2 are just right for those of you who prefer the fit and feel of waist shorts. The MILLE GT Half Shorts C2 are a cycling short made for performance but with support provided not by bib straps but by Assos' zeroPressure waist design.Across the belly, a highly flexible stretch panel gives a smooth fit but plenty of stretch for those times when you're in a low riding position and when breathing deeply during hard efforts. Meanwhile, the sides and back lock the shorts smoothly in place, preventing any slippage when you're pedalling. Endurance Fit and FeelMade for your long training rides and endurance events, the MILLE GT are made with lightly compressive Type.429 fabric. Giving a snug and supportive fit, this premium fabric not only fights fatigue but with a streamlined fit, helps save your watts and energy for those last few kilometres home. Excellent breathability makes it ideal for the heat of summer while the high degree of durability resists the wear and tear of countless kilometres.Assos AEPD (Advanced Ergonomic Pattern Design) Regular Fit Finding the perfect harmony of long-ride comfort and smooth, flexible fit, the Assos AEPD Regular Fit isn't so compressive as their RaceFit but it's certainly not going to slow you down.The aero comfort also extends to the leg grippers. 6mm in depth and using LYCRA® with woven silicone grip, they provide a secure fit while giving a smooth and uninterrupted transition from shorts to skin.MILLE GT C2 InsertWith 3mm of extra cushioning, the MILLE GT C2 pad is more comfortable, more supportive and more shock-absorbing than ever. Compressive foam layers, up to 11mm in depth, provide endurance-focused support on the saddle.The 3D Waffle design uses a three-layer construction, with perforated foams to enhance breathability and airflow. Thermoformed shaping reduces ridges and irritation while the odour-resistant top sheet maintains freshness.FeaturesMaterials: 80% Polyamide, 20% ElastaneType.429 fabric - flexible, breathable and durablezeroPressure Waist - elastic waist that reduces sag and ensures stretch-and-returnUltralight Leg Grippers - 6cm gripper with LYCRA® and woven silicone treatmentC2 AEPD regularFit - Tailored for all-day comfort and a nod to smooth aerodynamicsMILLE GT C2 Insert - Shock-absorbing 3-layer foam constructionLeg length: StandardBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Assos MILLE GT Half Shorts C2 - Black Series - XXXL}, Black Series
  • £207.00

Assos MILLE GT Half Shorts C2Be it the intensity of indoor training or the demands of building stamina on long rides, the Assos MILLE GT Half Shorts C2 are just right for those of you who prefer the fit and feel of waist shorts. The MILLE GT Half Shorts C2 are a cycling short made for performance but with support provided not by bib straps but by Assos' zeroPressure waist design.Across the belly, a highly flexible stretch panel gives a smooth fit but plenty of stretch for those times when you're in a low riding position and when breathing deeply during hard efforts. Meanwhile, the sides and back lock the shorts smoothly in place, preventing any slippage when you're pedalling. Endurance Fit and FeelMade for your long training rides and endurance events, the MILLE GT are made with lightly compressive Type.429 fabric. Giving a snug and supportive fit, this premium fabric not only fights fatigue but with a streamlined fit, helps save your watts and energy for those last few kilometres home. Excellent breathability makes it ideal for the heat of summer while the high degree of durability resists the wear and tear of countless kilometres.Assos AEPD (Advanced Ergonomic Pattern Design) Regular Fit Finding the perfect harmony of long-ride comfort and smooth, flexible fit, the Assos AEPD Regular Fit isn't so compressive as their RaceFit but it's certainly not going to slow you down.The aero comfort also extends to the leg grippers. 6mm in depth and using LYCRA® with woven silicone grip, they provide a secure fit while giving a smooth and uninterrupted transition from shorts to skin.MILLE GT C2 InsertWith 3mm of extra cushioning, the MILLE GT C2 pad is more comfortable, more supportive and more shock-absorbing than ever. Compressive foam layers, up to 11mm in depth, provide endurance-focused support on the saddle.The 3D Waffle design uses a three-layer construction, with perforated foams to enhance breathability and airflow. Thermoformed shaping reduces ridges and irritation while the odour-resistant top sheet maintains freshness.FeaturesMaterials: 80% Polyamide, 20% ElastaneType.429 fabric - flexible, breathable and durablezeroPressure Waist - elastic waist that reduces sag and ensures stretch-and-returnUltralight Leg Grippers - 6cm gripper with LYCRA® and woven silicone treatmentC2 AEPD regularFit - Tailored for all-day comfort and a nod to smooth aerodynamicsMILLE GT C2 Insert - Shock-absorbing 3-layer foam constructionLeg length: StandardBuy Assos Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM X1 Type 2.1 11sp Rear Derailleur - Black, Black
  • £206.00

SRAM X1 Type 2.1 11sp Rear DerailleurEvery detail of the 11-speed X1 X-HORIZON rear derailleur is engineered for smooth, reliable shifting action—from the larger upper pulley offset to the 12-tooth X-SYNC pulley wheels.By eliminating unwanted chain movement, X-HORIZON shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with CAGE LOCK technology, wheel removal and installation are easier than ever. With CAGE LOCK technology in the rear derailleur, wheel removal and installation—as well as chain installation—becomes faster and simpler. Just pushing the cage forward to create slack and lock it into place ROLLER BEARING CLUTCH rear derailleurs deliver maximum drivetrain stability—even through the most punishing terrain. With ROLLER BEARING CLUTCH technology, derailleur bounce and chain slap are eliminated without sacrificing precision Developed specifically for SRAM 1X, X-ACTUATION keeps shifting sharp and consistent across the entire 10- to 42-tooth cassette The X-HORIZON rear derailleur’s ‘straight parallelogram’ design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force. For quicker, more exact shifting, the large upper pulley offset design maintains a constant chain gap across all gears SRAM X-SYNC 1X chainrings provide the highest level of performance and durability. The SRAM X-SYNC tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC chainrings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC rings are an integral part of the SRAM 1X drivetrainFeatures: Speeds: 11-speed Material: Aluminum cage Weight: 256g Compatibility: X-ACTUATION Bearings: Sealed cartridge bearings Pivot Design: Horizontal Parellelogram design Pulleys: 12-tooth X-SYNC pulley wheelsBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM Force 1 11-Speed Rear Derailleur - Long
  • £206.00
  • RRP £229.00
  • Saving you £10

The SRAM Force 1 rear derailleur provides the fastest and quietest 1X11 shifting currently available. Designed to maintain a steady pulley-cassette gap across all gear ranges, the derailleur uses SRAM's one-way roller bearing clutch to control chain tension for consistent shifting. With Roller Bearing Clutch Technology, derailleur bounce and chain slap are eliminated without sacrificing precision. The mech also uses SRAM's Exact Actuation for fast and accurate shifts using SRAM's 1:1 actuation ratio (shifter cable travel; derailleur movement). 10 and 11 speed compatible. The derailleur is finished with cage lock technology which makes wheel removal and installation, as well as chain installation faster and simpler. Simply push the cage forward to create slack and lock it in to place.

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Campagnolo Record 12sp Rear Derailleur - Carbon - One Size}, Carbon
  • £204.99

Campagnolo Record 12 Speed Rear DerailleurA superbly light and high performing derailleur that's engineered for effortless shifting, so you can reach your peak faster.Lightweight and Highly Durable DerailleurThe Record Rear Derailleur (12 Speed) from Campagnolo is the ideal choice of upgrade for getting the maximum shifting experience from your bike. Made from Carbon fibre-reinforced technopolymer which is not only super-lightweight but also highly robust for years of long-lasting use.Designed with the thrill-seekers and cycling enthusiasts in mind, the Record Rear Derailleur increases your speed, performance and shifting accuracy. The cage has been specially constructed to work alongside sprockets from 11 to 32 teeth which allow a single version to be maintained for all available sprocket sets. Thanks to its 3D Embrace technology which creates a double effect, your chain can maintain optimum traction every time.When riding over harsh roads, the derailleur maintains constant accuracy thanks to the spring between the upper body and the joint which absorbs vibrations, enabling you to have a smooth riding experience.The Record Rear Derailleur (12 Speed) from Campagnolo is the ideal choice for keeping you at the top of your game, ride after ride.Features: Material: Carbon fibre-reinforced technopolymer Constant accuracy Speed: 12 Speed The 12-tooth wheels mean smoother chain movement 3D Embrace technology Ability to adjust the initial derailleur position to adapt to each sprocket set Easy wheel replacement Weight: 0.216kg Buy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo Record Rear Derailleur (12 Speed) Rear Derailleurs
  • £204.99
  • RRP £212.99
  • Saving you £4

The Record Rear Derailleur (12 Speed) from Campagnolo is the perfect choice of upgrade for getting the ultimate shifting experience from your bike. Made from Carbon fibre-reinforced technopolymer which is not only super-lightweight but also highly robust for years of long-lasting use. Engineered with the thrill-seekers and cycling enthusiasts in mind, the Record Rear Derailleur increases your speed, power and shifting precision. Thanks to its 3D Embrace technology which creates a double effect, your chain is able to maintain optimum traction at all times. The cage has been specially designed to work alongside sprockets from 11 to 32 teeth which allow a single version to be maintained for all available sprocket sets.  When cycling over bumpy roads, the derailleur maintains constant accuracy thanks to the spring between the upper body and the joint which absorbs vibrations, allowing you to have a smooth riding experience. The Record Rear Derailleur (12 Speed) from Campagnolo is the ideal choice for keeping you at the top of your game, ride after ride.

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Shimano FD-R8150 Ultegra Di2 12-Speed Front Derailleur
  • £199.99
  • RRP £250.00
  • Saving you £20

More compact and faster than ever, the Ultegra R8150 front derailleur performs digitally precise front shifts under any circumstances. Combining Shimano's new Di2 platform and the road incarnation of Hyperglide+, the Ultegra R8150 front derailleur shifts between chainrings with our fastest, most seamless action.The Shimano Di2 front derailleur's operation is pioneering, smooth shifting is guaranteed thanks to wireless communication with the gear levers. What's more, shifting the rear derailleur automatically trims the front derailleurFull and semi synchronized shifting programable, Synchro shifts 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 ratioThe removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shiftsThe front derailleur also trims automatically; the cage moves in response to the position of the rear derailleur on the cassette to ensure no chain rub and a quiet unobtrusive ride, enabling you to concentrate on the road aheadDesigned to work with the wider gear pitch spacing Shimano chain sets without sacrificing shifting performance on bikes with 135 / 142 mm O.L.D.Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available12-speed E-tube SD300 wire compatible

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