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Shimano Dura Ace R9150 Di2 STI 11 Speed Lever Set Gear Levers
  • £379.99
  • RRP £599.99
  • Saving you £37

E-Tube compatibility means that the function of the shift paddles can be customised to suit the rider. The shift paddles now feature a more defined "click" and have been extended in length for more confident and comfortable shifting. The 9150 shifters now include Synchro-shif technology that automatically moves the rear derailleur when the front ring is changed or moves the front chainring with the rear shifts to optimise chainline and drivetrain efficiency.

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4iiii Dura Ace 9100 PRECISION 3.0 Powermeter - Black, Black
  • £379.99
  • RRP £474.99
  • Saving you £20

4iiii Dura Ace 9100 PRECISION 3.0 PowermeterPerfect for riders who want to track and improve their performance during their training sessions, this high-quality 4iiii powermeter comes factory installed into a Shimano Dura Ace 9100 left-sided crank arm. Providing an ultra-precise +/- 1% accuracy with an impressively light 9g weight, it is kitted out to help you achieve your performance goals and get the best out of every training ride. At 5.5mm high, this Precision 3.0 powermeter is compatible with almost every bike frame on the market. In addition, the indicator light will let you know when your power meter is on, performed a successful zero-offset, and is ready for its battery to be changed. With 800 hours of battery life from its long-lasting coin cell battery, the 4iiii Shimano Dura Ace 9100 PRECISION 3.0 Powermeter is all set for taking your training to the next level.Shimano Dura Ace 9100 Crank ArmThe Shimano Shimano Dura Ace 9100 crank arm offers system engineering at its peak. Each of the components magnifies in the series provides an unparalleled level of performance. Optimising input to maximise output. That's how it achieves supremacy. The choice of the world's best climbers, sprinters, and time trialists, the Dura-Ace crank drops weight while maximising power transfer. Its design and iconic look are adapted for modern-day road racing.Up To 800 Hour Battery LifeWith up to 800 hours of battery life, you won't have to worry about changing your battery for years to come.+/- 1% AccuracyEveryone has a unique pedal stroke. 4iiii's patented 3D strain gauge measures all forces to deliver precision accuracy.9g Weight4iiii has confirmed that it makes the lightest power meter on the market. The brand is committed to helping you get faster, one gram at a time.Features: Accuracy: +/- 1% Battery Life: Up To 800 hours Battery Type: CR2032 Coin Cell Waterproof Rating: IPx7 Cadence Range: 30 - 170 RPM Power Range: 0 - 4,000 W Height: 5.5mm Operating Temperature: 0 To 50 degrees celsius Connectivity: ANT+, Bluetooth Arm Type: Shimano Dura Ace 9100 Single or Pair: Single, left-sided arm Weight: 9gTechnologies: Accuracy in 3D: Not everyone has the perfect pedal stroke. With +/- 1% accuracy, 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke. Ultra Low Profile: With an ultra low profile design, the PRECISION 3 is compatible with more bike frames than ever before. Indicator Light: At a glance, you can now see when your power meter has turned on, performed a successful Zero-offset, or has a low battery. Although, don't expect to see that low battery indicator for a while! Waterproof: Based in the foothills of the Canadian Rockies, we were tired of training tools not designed to work in our tough environment. With an IPX7 waterproof rating you can be assured that your power meter can handle the toughest conditions. ANT+ and Bluetooth: Get the same numbers training inside and outside. The PRECISION 3 Powermeter is both ANT+ and BLE compatible so you can use it on your preferred head unit and favorite indoor training app. 3 Year Warranty: A lot can happen in 3 years. You probably won't need to use it, but it's reassuring to know that all 4iiii Powermeters are backed by an industry leading 3-year warranty.Buy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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CeramicSpeed Oversized Pulley Wheel System - Black - Ultegra + Dura Ace}, Black
  • £379.99

CeramicSpeed Oversized Pulley Wheel SystemThis CeramicSpeed Oversized Pulley Wheel System is developed for performance optimisation, and the watt savings start at 2.4 watts. The cage is made from carbon fibre and reinforced PA while the 17-tooth pulley wheels are made from aluminium and mounted with high quality CeramicSpeed bearings.This revolutionary OSPW System is developed, produced and assembled by hand in Denmark. This plug-and-play product is the result of an in-depth development process and has been designed for optimal performance. Created to answer the need for less friction (as much as 60%), increased speed and a more efficient drivetrain. This OSPW System helps you ride any distance comfortably. The optimisation of your drivetrain with the new CeramicSpeed OSPW System delivers access to the industry leading efficiency. The use of high quality materials means this system will outlast other commonly used pulley wheels on the market. Like all other products delivered by CeramicSpeed, this product has undergone a thorough testing program and is used by professional triathletes Tim Don and Tyler Butterfield. Features:Material: Carbon/PA Cage, Aluminium Pulley Wheels Shimano Compatible 10 or 11-speed Weight: 55gMaintenanceIt's important that you properly lubricate your bearings in order to ensure optimal performance and maximum longevity. Add oil to the outside of the bearing seal, so that oil can penetrate the bearing. Do this when you lubricate your chain, or if you have washed your bike or have been riding in wet or muddy conditions. Buy CeramicSpeed Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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4iiii Shimano Dura Ace 9100 PRECISION 3.0 Powermeter Power Meter Cranksets
  • £379.99
  • RRP £474.99
  • Saving you £20

This high-quality 4iiii powermeter comes factory installed into a Shimano Dura Ace 9100 left-sided crank arm. Ideal for riders who want to track and improve their performance during their training sessions, this model provides an ultra-precise +/- 1% accuracy with an impressively light 9g weight. As a result, it is kitted out to help you achieve your performance goals and get the best out of every training ride. At 5.5mm high, this Precision 3.0 powermeter is compatible with almost every bike frame on the market. In addition, the indicator light will let you know when your power meter is on, performed a successful zero-offset, and is ready for its battery to be changed. With 800 hours of battery life from its long-lasting coin cell battery, the 4iiii Shimano Dura Ace 9100 PRECISION 3.0 Powermeter is all set for taking your training to the next level. Shimano Dura Ace 9100 Crank Arm The Shimano Shimano Dura Ace 9100 crank arm offers system engineering at its peak. Each of the components magnifies in the series provides an unparalleled level of performance. Optimising input to maximise output. That's how it achieves supremacy. The choice of the world's best climbers, sprinters, and time trialists, the Dura-Ace crank drops weight while maximising power transfer. Its design and iconic look are adapted for modern-day road racing. Up To 800 Hour Battery Life With up to 800 hours of battery life, you won't have to worry about changing your battery for years to come. +/- 1% Accuracy Everyone has a unique pedal stroke. 4iiii's patented 3D strain gauge measures all forces to deliver precision accuracy. 9g Weight 4iiii has confirmed that it makes the lightest power meter on the market. The brand is committed to helping you get faster, one gram at a time. Technologies: Accuracy in 3D: Not everyone has the perfect pedal stroke. With +/- 1% accuracy, 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke. Ultra Low Profile: With an ultra low profile design, the PRECISION 3 is compatible with more bike frames than ever before. Indicator Light: At a glance, you can now see when your power meter has turned on, performed a successful Zero-offset, or has a low battery. Although, don’t expect to see that low battery indicator for a while! Waterproof: Based in the foothills of the Canadian Rockies, we were tired of training tools not designed to work in our tough environment. With an IPX7 waterproof rating you can be assured that your power meter can handle the toughest conditions. ANT+ and Bluetooth: Get the same numbers training inside and outside. The PRECISION 3 Powermeter is both ANT+ and BLE compatible so you can use it on your preferred head unit and favorite indoor training app. 3 Year Warranty: A lot can happen in 3 years. You probably won’t need to use it, but it’s reassuring to know that all 4iiii Powermeters are backed by an industry leading 3-year warranty.

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Shimano Dura-Ace Di2 R9150 2x11 STI Shifter Set - Black - Pair}, Black
  • £379.99
  • RRP £599.99
  • Saving you £37

Shimano Dura-Ace Di2 R9150 2x11 STI Shifter SetThe Dura-Ace Di2 9150 shifters feature an ideal ergonomic shape that is comfortable in the hand and have been updated to be more precise and more adaptable than previous editions. The shift paddles now feature a more defined "click" and have been extended in length for more confident and comfortable shifting. E-Tube compatibility means that the function of the shift paddles can be customised to suit the rider. The 9150 shifters now include Synchro-shif technology that automatically moves the rear derailleur when the front ring is changed or moves the front chainring with the rear shifts to optimise chainline and drivetrain efficiency. Features: More control and confidence in race conditions Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles Light weight Carbon composite plastic material hood More intuitive, quicker shifting operation More defined click feeling and ergonomic shift lever position Each switch has the option for multi-shift ON or OFF E-TUBE project Ideal ergonomic cover shape with better thickness & tenderness Simple set up and maintenance Easy replace hood cover Customise the shifts to suit your riding style Weight: 460g (pair)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 Dura-ace Di2 12 Speed Braze-on Front Derailleur 2022
  • £391.99
  • RRP £399.99
  • Saving you £2

Elite road racers demand reliable and precise shifting 12-speed Dura-Ace R9250 delivers with its super-lightweight and compact design Synchronized Shift designed developed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleur The 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 derailleur The biggest difference you will notice is just how much quicker and effortlessly smoother shifting on the front chainrings is even under load The 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 shifts The 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 ahead Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available 12-speed E-tube SD300 wire compatible

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Shimano Dura-Ace ST-R9270 Gear Shift Lever - Right Hand
  • £391.99
  • RRP £429.99
  • Saving you £9

Top of the range, high performance Dura-Ace wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions 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 Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, and a titanium clamp band / fixing bolt Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI Hydraulic brake lever with Servo Wave technology provides excellent stopping power with less effort especially from the hood position Hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear Finely tuneable reach adjusters for the levers enable custom fitment for all hands Free stroke adjustment for pad to rotor contact setting Levers use CR1632 batteries which last for approximately 1.5-2 years Ports for use with SD300 E-tube electric cables

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Endura D2z Encapsulator Skin Suit Sst
  • £398.39
  • RRP £479.99
  • Saving you £17

The flagship piece of Endura’s Aero collection the Encapsulator Suit™ represents the pinnacle of aerodynamic cycle-wear for the rider who is obsessed with speed. Using Drag2Zero’s (D2Z) cutting edge technology the skin suit has been proven on multiple UCI WorldTour races. On the track the suit has helped Alex Dowsett Bridie O’Donnell and Vittoria Bussi break the UCI Hour Records and leave their mark in cycling history.Over 80 different skin suits have been created tested and remastered to reach the point where we are finally content to release it to the wider market. Optimised for speeds over 45kph and in a TT position the Encapsulator Suit™ is the go-to piece for any time trial rider looking to reach a new level. Optimised For Time Trial Bike Speed Range 46-58KPH (28-36MPH)While most brands test at one single speed Endura Drag2Zero® understands the critical variations in aerodynamic efficiency at different speeds and in different riding positions. As an example a suit optimised for a TT rider averaging 50kph in an aggressive aero position is not necessarily the fastest suit for a rider on a road bike chasing a sportive PB averaging 35kph. Developing the Endura D2Z® range around this broader philosophy has resulted in products which are finely tuned to the requirements of the target rider not only faster at one selected data point but across a range of speeds. Surface Silicone Topography – SST™This exclusive patent pending technology has been developed by Endura in close collaboration with Simon Smart of Drag2Zero® and validated by the world’s top road riders on the UCI WorldTour. SST™ is the result of years of R & D studying airflow in wind tunnel alongside the development of new production methods to bring theoretical ideas to real world riding. Strategically positioned 3D chevrons positively affect airflow around the body reducing drag at the speeds relevant to the target rider. Encapsulator PocketInitially banned then accepted by the UCI the Encapsulator pocket has had a short but controversial life. The super fine translucent mesh allows race numbers to be clearly visible while retaining the breathability of the pocket area around the number. Providing a simple solution to the challenge of neatly attaching a race number the Encapsulator pocket also protects the delicate fabrics from the damage caused by pins. 1000 Series (Aero) Seat PadThe 1000 series Italian stretch pad features is sculpted from a single block of foam so unlike traditional layered pads there are no clunky steps in pad thickness. The BioCeramic® high stretch fast wicking face fabric incorporates a permanent antibacterial finish completing one of the most advanced pads in existence. The “Aero” version of the pad used in the D2Z® Encapsulator Suit™ is specially shaped to suit a more aggressive riding position. Multi Fabric ConstructionEndura’s vast experience of garment construction and rigorous pursuit of “faster” fabrics comes together in the D2Z® apparel collection. The D2Z® Encapsulator Suit™ deploys 5 different fabrics in combination to meet the demands of fit comfort durability and aerodynamic efficiency. 90 Day Satisfaction GuaranteeSo confident are we in this product that if you are not entirely satisfied with it we offer a no-quibble refund or replacement within 90 days of purchase.  Optimised for TT position speed range; 46 to 58kph   This product has been #BannedByTheUCI  Multi fabric construction with Surface Silicone Topography (SST™) sleeve and flank panels for aero optimisation   Encapsulator race number pocket and leg gel pocket   Raw edge hems with super fine silicone grippers   1000 Series Aero Pad with computer cut “Continuously Variable Profile” (CVP)   Hand-sewn in Scotland Construction Nylon 70% Polyester 20% Elastane 10% Fabrics & Technologies   

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Endura MT500 Waterproof One Piece II
  • £398.99
  • RRP £449.99
  • Saving you £11

The next-gen ultimate foul weather mountain bike onesie that packs all of the tech needed to protect you from day long downpours that turn your favourite trails into a full blown rivers. Key Features: Exceptionally breathable and durable ExoShell40DR 3-Layer waterproof fabric in a fully seam-sealed construction , One piece, split front design for maximum mud protection and comfort fit , Durable shoulders with silicone grip and ergonomically positioned stretch upper and leg panels plus durable seat panel , 3D adjustable helmet hood , Ventilation by large underarm 2 way zipped vent extending onto back, compatible with back pack and zip off lower legs for all day riding comfort , Water-repellent front zip with storm flap, Front pockets doubling as vents, zipped lower hand pockets and sleeve pocket for lift pass , Zipped fly with popper closure , Soft touch lycra inner cuff for added comfort and protection • Reflective trims, 90 Day Satisfaction Guarantee.

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Endura MT500 Waterproof One Piece MTB Suit II - Black - S}, Black
  • £398.99
  • RRP £449.99
  • Saving you £11

Endura MT500 Waterproof One Piece MTB Suit IILaugh in the face of wet weather and muddy mountain bike trails with the Endura MT500 Waterproof One Piece MTB Suit II. Waterproof and breathable, you'll never have been so comfortable when the weather turns nasty.  While others take refuge inside when the rain clouds burst, the MT500 Waterproof One Piece MTB Suit II uses fully waterproof 3-layer ExoShell40DR fabric and seam-sealed construction to keep you outside and riding. While its high degree of waterproofness keeps rain out, ExoShell40DR is also extremely breathable, preventing that horrible sweaty and clammy feeling you might experience with poorer MTB garments. If you find yourself feeling a bit too warm though, underarm vents let you boost cool airflow to your core. And if the sun decides to make an appearance, zip off the lower legs and enjoy a shorts onesie. With wet and muddy trails comes more abrasion and rubbing from mud kicked up from your tyres. To combat this, Endura have used tough, abrasion resistant panels across the seat area. Silicone gripper prints to the shoulders hold backpacks in place too. And when it comes to pedalling, the ergonomically positioned stretch panels and relaxed MTB-specific fit makes it easy to spin the pedals and move across slippery terrain. Features:Materials: 80% Polyamide, 15% Polyester, 5% ElastaneExoShell40DR 3-Layer - Waterproof fabric in a fully seam-sealed constructionOne-piece, relaxed fit, split front design for maximum mud protection and comfort fitDurable shoulders with silicone grip and ergonomically positioned stretch upper and leg panels plus durable seat panel3D adjustable helmet-compatible hoodVentilation by large underarm 2-way zipped vent extending onto the back, compatible with backpackFront pockets doubling as vents zipped lower hand pockets and a sleeve pocket for lift passZip-off lower legs for all-day riding comfortWater-repellent front zip with storm flapZipped fly with popper closureSoft-touch lycra inner cuff for added comfort and protectionWATERPROOF: 20000 mm - BREATHABLE: 40000g/m2/24hrBuy Endura Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Endura MT500 Waterproof One Piece MTB Suit II - Black - M}, Black
  • £398.99
  • RRP £449.99
  • Saving you £11

Endura MT500 Waterproof One Piece MTB Suit IILaugh in the face of wet weather and muddy mountain bike trails with the Endura MT500 Waterproof One Piece MTB Suit II. Waterproof and breathable, you'll never have been so comfortable when the weather turns nasty.  While others take refuge inside when the rain clouds burst, the MT500 Waterproof One Piece MTB Suit II uses fully waterproof 3-layer ExoShell40DR fabric and seam-sealed construction to keep you outside and riding. While its high degree of waterproofness keeps rain out, ExoShell40DR is also extremely breathable, preventing that horrible sweaty and clammy feeling you might experience with poorer MTB garments. If you find yourself feeling a bit too warm though, underarm vents let you boost cool airflow to your core. And if the sun decides to make an appearance, zip off the lower legs and enjoy a shorts onesie. With wet and muddy trails comes more abrasion and rubbing from mud kicked up from your tyres. To combat this, Endura have used tough, abrasion resistant panels across the seat area. Silicone gripper prints to the shoulders hold backpacks in place too. And when it comes to pedalling, the ergonomically positioned stretch panels and relaxed MTB-specific fit makes it easy to spin the pedals and move across slippery terrain. Features:Materials: 80% Polyamide, 15% Polyester, 5% ElastaneExoShell40DR 3-Layer - Waterproof fabric in a fully seam-sealed constructionOne-piece, relaxed fit, split front design for maximum mud protection and comfort fitDurable shoulders with silicone grip and ergonomically positioned stretch upper and leg panels plus durable seat panel3D adjustable helmet-compatible hoodVentilation by large underarm 2-way zipped vent extending onto the back, compatible with backpackFront pockets doubling as vents zipped lower hand pockets and a sleeve pocket for lift passZip-off lower legs for all-day riding comfortWater-repellent front zip with storm flapZipped fly with popper closureSoft-touch lycra inner cuff for added comfort and protectionWATERPROOF: 20000 mm - BREATHABLE: 40000g/m2/24hrBuy Endura Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Endura MT500 Waterproof One Piece MTB Suit II - Black - L}, Black
  • £398.99
  • RRP £449.99
  • Saving you £11

Endura MT500 Waterproof One Piece MTB Suit IILaugh in the face of wet weather and muddy mountain bike trails with the Endura MT500 Waterproof One Piece MTB Suit II. Waterproof and breathable, you'll never have been so comfortable when the weather turns nasty.  While others take refuge inside when the rain clouds burst, the MT500 Waterproof One Piece MTB Suit II uses fully waterproof 3-layer ExoShell40DR fabric and seam-sealed construction to keep you outside and riding. While its high degree of waterproofness keeps rain out, ExoShell40DR is also extremely breathable, preventing that horrible sweaty and clammy feeling you might experience with poorer MTB garments. If you find yourself feeling a bit too warm though, underarm vents let you boost cool airflow to your core. And if the sun decides to make an appearance, zip off the lower legs and enjoy a shorts onesie. With wet and muddy trails comes more abrasion and rubbing from mud kicked up from your tyres. To combat this, Endura have used tough, abrasion resistant panels across the seat area. Silicone gripper prints to the shoulders hold backpacks in place too. And when it comes to pedalling, the ergonomically positioned stretch panels and relaxed MTB-specific fit makes it easy to spin the pedals and move across slippery terrain. Features:Materials: 80% Polyamide, 15% Polyester, 5% ElastaneExoShell40DR 3-Layer - Waterproof fabric in a fully seam-sealed constructionOne-piece, relaxed fit, split front design for maximum mud protection and comfort fitDurable shoulders with silicone grip and ergonomically positioned stretch upper and leg panels plus durable seat panel3D adjustable helmet-compatible hoodVentilation by large underarm 2-way zipped vent extending onto the back, compatible with backpackFront pockets doubling as vents zipped lower hand pockets and a sleeve pocket for lift passZip-off lower legs for all-day riding comfortWater-repellent front zip with storm flapZipped fly with popper closureSoft-touch lycra inner cuff for added comfort and protectionWATERPROOF: 20000 mm - BREATHABLE: 40000g/m2/24hrBuy Endura Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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