Shimano 105 R7000 11 Speed Rim Brake GroupsetThe perfect choice for your custom build or for upgrading your favourite road bike, this 105 R7000 11 Speed Groupset adopts features and technologies from Shimano’s top tier models to bring you slick shifting, optimised power transfer and fine speed control.Powerful Road GroupsetThese stunning components offer smooth, crisp and precise gear changes combined with reliable and powerful braking, making it an immensely efficient groupset. Additionally, it combines all the essentials you'll need for completing your bike build or replacing out your old gear, for phenomenal drivetrain performance.Included: 2x Shimano ST-R70000 Levers (Tektro gear and brake cables included) 2x Shimano BR-R7000 105 rim brake calipers 1x Shimano FC-R7000 Chainset, 50/34T 1x Shimano FD-R7000-L Front Derailleur (Braze-on type, downswing 1x Shimano RD-R7000 Rear Derailleur 1x Shimano R7000 11-Speed Cassette, 11-30T (Shimano 9-11-Speed freehub compatibility) 1x KMC X11 11-Speed chain 1x Shimano BB-RS500 Threaded (English Thread) Bottom Bracket Includes Shimano gear inner/outer cables and Clarks inner/outer brake cables105 R7000 ChainsetWith the 105 R7000 Compact Chainset, Shimano has found the perfect balance between weight, efficiency and comfort without sacrificing stiffness or power-transfer. It has been optimised to ensure the maximum power-transfer from rider to road is achieved and thanks to modern technologies, they have achieved a wider gear pitch so it is fully compatible with standard road frames and the modern disc brake compatible frames. This crankset design pushes advancements in modern drivetrain performance and provides levels of efficiency and comfort that until now have not been achieved.Features: Material: Crank Arms and chainrings: Aluminium; Axle: Steel Bolt Circle Diameter: 110mm Q-Factor: 146mm Bottom Bracket Standard: HollowTech II Chainring Gear Ratio: 50-34T Compatible Chain: HG-EV 11-Speed / HG-X11 Drivetrain Speed: 11-Speed105 R7000 Double Shifter SetThe 11-Speed Shimano 105 R7000 Shifter Set is the evolution in Shimano mechanical drivetrain performance. Borrowing trickle-down technology from the Dura-Ace and Ultegra high-end competition shift levers, these levers provide crisp, super-smooth shifting and brake performance that feels absolutely superb to use.Re-Designed, Enhanced and OptimisedThe internal shifting mechanism has been re-designed and enhanced to provide smoother operation and more precise actuation when shifting between gears, even when under load. The lever features a greater reach-adjustment range with very easy access to the inner shift cables when the time comes to maintain/adjust. This new system provides a fast and easy shifting experience, which ensures that race performance is always at 100%, and as a bonus, Shimano has fine-tuned the front lever shifting curve, which makes for a much lighter front derailleur shifting compared to previous models.Features: Material: Aluminium Type: Dual Control, SLR-EV Brake System: Mechanical Drivetrain Speed: 2x11-Speed Weight: 251g105 R7000 Front DerailleurThe 11-Speed Shimano 105 R7000 Front Derailleur has an ergonomic, smooth to shift power-stroke, which provides a very natural shifting feel and lighter mechanism actuation. This derailleur features an optimised cage design so that very little adjustment is needed when using road bikes with a wider rear spacing for Disc Brakes. It also is compatible with most cable routing options on the market and comes equipped with an integrated cable tension adjustment screw for superb adjustability and convenience.Features: Material: Plate: Steel Mount: Braze-on Type: Double Compatible Chain: HG-EV 11-Speed / HG-X11 Top Gear Teeth: 46-53T Total Gear Capacity: 16T Drivetrain Speed: 11-Speed Weight: 95g Please note: A band clamp is not included. Compatible band clamps are available separately.105 R7000 Rear Derailleur Short CageThe Shimano 105 R7000 Rear Derailleur features Shimano Shadow technology, which not only smooths shifting performance but also stabilises chain movement and keeps the derailleur low-profile, tucked tight to the chainstay. It is capable and fully efficient at shifting across a wide gear ratio while doing so with buttery-smooth shifting performance. Rear derailleur drivetrain performance has never been as smooth, reliable and as precise as this.Features: Material: Aluminium Drivetrain Speed: 11-Speed Compatible Chain: HG-EV 11-Speed / HG-X11 Maximum Cassette Size: 11-30T Top Capacity: 35T Max Front Ratio Difference: 16T Low Sprocket: Max: 30T; Min: 25T Top Sprocket: Max: 14T; Min: 11T Pulley: 11T Weight: 225g105 R7000 Brake Caliper Front and RearThe 105 R7000 Brake Caliper is the latest innovation in affordable, pro-level braking performance from Shimano. Providing an exceptional linear braking curve, enabling you to precisely time your braking with more accuracy than ever before. It provides a very noticeable balance between feel, stiffness, stopping power and response; it is the most inspiring brake system to use for the aspiring podium chaser. Compatible with SLR-EV brake levers to provide the optimised braking control and elegant performance.Features: Material: Aluminium Type: SLR EV Dual Pivot Reach: 51mm Maximum Tyre Size: 28c Weight: 379gKMC X11 11 Speed ChainThis high performance 11 speed chain is specifically designed for the demands of modern road cycling. This model uses its half nickel-plated outer plates to ensure smooth and dependable performance. KMC has also developed this version for extreme durability.Features: Use: Road, Mountain Bike (MTB) Size: 1/2" x 11/128" Pin Length: 5.5mm Quick Link Included: Yes Number of Links: 120 Hi-Performance Half Nickel plated Extremely durable Weight: 266gA 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.
Campagnolo Scirocco BT12 Road Disc WheelsetAn ultra-lightweight and maximum performing wheelset that's ideal for keeping you at the top of your game.Amazingly Lightweight and Robust Road WheelsetThe Scirocco DB BT12 Road Wheelset (2019) from Campagnolo has been engineered with competitive riders and road cycling enthusiasts in mind. Made from bespoke aluminium which is not only ultra-lightweight but also amazingly tough for years of long-lasting use out on the road. This wheelset has been completely hand assembled by Campagnolo technicians, so you can be assured that every part of it has been built to the highest quality standard possible.The Campagnolo Scirocco DB BT12 Road Wheelset (2019) is the perfect choice for taking your road cycling to the next level.Features: Size: 700c Anti-rotation technology on the radial spokes Hand assembled by Campagnolo technicians Profile height: 33 mm Axle Type: Thru Axle Rim material: aluminium Suitable for: Campagnolo sprocket set 10/11/12; Shimano sprocket set / SRAM 10/11 Adhesive label Suitable Tyres: Clincher; Tubeless Ready Weight: 1.7kg Buy Campagnolo Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
World renowned Dura-Ace precision engineered cranks designed for the rigours of the oval circuitHollowTech hollow forged aluminium crank arms for light weight without compromising stiffnessSplined Octalink fitting for Dura-Ace bottom bracket to create a strong and rigid interfaceCrank arms only chainrings available separatelyWeight: 505 grams (170 mm without chainring)Available in 165 170 and 172.5 mm crank arm lengths
◌CeramicSpeed OSPW System Shimano R9200-R8100The OSPW System Shimano R9200-R8100 from CeramicSpeed is designed and engineered to enhance performance for the Shimano 9200 and R8100 series rear derailleurs. It features an integrated stop tower for simple installation and durability, and it significantly enhances gear shifting performance.The CeramicSpeed Oversized Pulley Wheels System has been proven to be the fastest pulley system in the world. This OSPW System has hand built CeramicSpeed Bearings installed in each pulley and comes with a 4-year warranty as standard and a lifetime warranty when choosing coated bearings. CeramicSpeed OSPW Systems are an industry-leading product, chosen by World Champions and top athletes around the world. Featuring a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimisation of the rear derailleur. The upper and lower oversized aluminium pulley wheels come fitted with either standard or coated CeramicSpeed Bearings. For 8100 derailleurs, the cage uses the factory derailleur body washer. 9200 derailleurs will require the new included derailleur body washer. Since its introduction in 2015, the CeramicSpeed Oversized Pulley Wheel System has been through 13 unique derailleur compatibility developments. No other pulley system has the depth of use and trust as the CeramicSpeed OSPW, which counts both Men's and Women's Triathlon World Champions, World Tour professional road teams, XCO professional MTB Teams, and elite athletes worldwide as its users. This OSPW System has hand built CeramicSpeed Bearings installed in each pulley and it comes with a four-year manufacturer's warranty as standard. Featuring a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimisation of the rear derailleur. The upper and lower oversized aluminium pulley wheels come fitted with standard CeramicSpeed Bearings. Also included in the box is a 15ml dropper bottle of CeramicSpeed Bearing Oil. Technical DataThe overall power savings of the OSPW System for Shimano 9200 reach 30%-60%, or more in some cases, over a stock setup. The oversized pulley wheels have 3-5 times longer lifetime than the commonly used standard pulleys on the market. Maintenance of CeramicSpeed OSPW SystemsRegarding the maintenance of your OSPW System, it is important that you properly lubricate your bearings in order to ensure optimal performance and maximum longevity. Add oil by using the lubrication points on the back cage plate, so that oil can penetrate the bearing. Do this when you lubricate your chain, if you have washed your bike or after riding in wet or muddy conditions. Please note: While there are visual similarities in the 9100 Series OSPW and 9200 Series OSPW, the spring tension settings, rotation stop tower placement, and mounting pin depth are slightly repositioned and as such the systems are not cross-compatible. Features: Pulley Wheel Material: Aluminium Cage Material: Carbon Reinforced PA Bearings: Standard or CeramicSpeed bearings (multiple options in the selection menu) CeramicSpeed Grease/Oil: Pulley Oil (Standard) Use: Road Speed: 12-Speed Compatibility: Shimano Dura Ace 9200 / Ultegra 8100 Cassette Compatibility: Fits 11-30T and 11-34T Shimano 12 speed cassette Spring Tension Settings: 4 spring tension settings In The Box: A complete 13-tooth/19-tooth OSPW System, CeramicSpeed Bearing Oil in 15ml dropper bottleTechnologies: Integrated stop tower for simple installation and durability Lifetime warranty on system cage Trusted design by World Champions and top athletes around the world 13/19 pulley wheel sizes Standard or CeramicSpeed bearings (multiple options in the selection menu) Hand built CeramicSpeed bearings are installed in each pulleyBuy CeramicSpeed Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sector GCa Gravel WheelsetWhether you're taking the long road home or planning an adventure into the countryside, this versatile gravel wheelset is designed for maximum performance. It features a hard-wearing aluminium rim construction, which makes it more than capable of handling all the intensity that comes with exploring new and unpredictable roads. Sector has also equipped this model with Pillar brass nipples and J-Bend spokes for fantastic tension, strength as well as a low weight. This is a great choice of upgrade for riders who want to go the extra distance on their road bike adventures.The Sector GCa Wheelset is the perfect Gravel, Adventure or Cyclo-Cross premium Aluminium Wheelset. It features a heat treated and then cold worked Aluminium lightweight tubeless ready rim with a 23mm internal width, optimised for 30mm to 50mm tyres. The rim is both pinned and welded making it incredibly strong, and combining this with the wide profile, will withstand punishing 'Cross courses, all day Gravel epics or your next bike-packing adventure. The GCa is available in both 700c and 650b options.This Kinesis gravel and cyclocross wheelset is built around lightweight, CNC machined and angled flanged hubs. The angled flanges follow the path of the spoke, reducing the stress on the spoke and increasing its lifespan. The GCa hubs are easily adaptable to a SRAM XDR driver or a Campagnolo freehub body. Smoothness is everything in a hub and that is why we chose Revo Cream bearings, which as the name suggests, are one of the smoothest and best rolling bearings on the market. Sector supply the wheels with tubeless tape and valves fitted, and both Thru Axle end caps and QR end caps, so that your wheels are ready to fit, straight from the box.The Sector GCa hubs and rims are laced together with Pillar 1416 double butted spokes. Pillar spokes are favoured by wheel builders all over the world, as every spoke is meticulously monitored and checked throughout the entire production process, and this attention to detail ensures all our wheels are evenly tensioned and will stay truer for longer. For the GCa Sector have chosen the double butted 1416 for their high strength and low weight. They have built this wheelset with Pillar black brass nipples as durability is key with our wet UK winters.Features: Rim Material: 6061 T-10 Aluminium Wheel Size: 700c or 650b options to select Use: Gravel, Adventure and Cyclo-cross Spokes: Pillar 1416 DB / J-Bend Nipples: Pillar Black Brass Hub Rotor Fitment: Centrelock Freehub: 11 Speed, 4 Pawl, Shimano HG Hole Count: 28h Rim Width: (Internal) 23mm; (External) 28mm Rim Depth: 22.5mm ERD: 700c: 592mm; 650b: 557mm Tubeless: Yes End Caps: (Front) 100x12mm or QR / (Rear) 135mm QR or 142x12mm Extras: Tubeless Tape & Valves Weight: 700c: 1750g; 650b: 1680gBuy Sector Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Campagnolo Zonda C17 Road Clincher Wheelset With a redesigned rim that takes its inspiration from a growing trend towards wider tyres, the Zonda C17 model is a truly modern, high performing alloy wheelset. In addition to the wider rim profile, there are differentiated front and rear rim heights, bringing you the ideal balance of comfort and performance.Optimised Aluminium RimThe wider C17 rim ensures a more efficient shape of the tyre, improving cornering grip and safety while reducing aerodynamic drag and rolling resistance. The new C17 rim has been structurally optimised to provide a surefooted grip on clincher tyres as well as an even better braking feel when compared with previous versions. The freehub spins silently as you enjoy time in the saddle.Features: Material: Aluminium (Rim) Brake Type: Rim brake Tyre Compatibility: Clincher Front Hub: 16 Aerodynamic radial spokes Rear Hub: 21 Aerodynamic radial spokes Weight Limit: 109kg Tubeless Compatible: No Axle Type: Quick release Differentiated Rim Height Precision milling to eliminate excess material and weight where not needed Aluminium oversize flange MEGA G3 pattern Cup and cone bearings Self-locking nipples Included: Wheelset, rim tape, QR skewers Weight: 1,540g Technologies:Rim Dynamic Balance: The concept is simple and elegant: balance the weight of the gasket, with an item of similar weight placed on the exact opposite side. For top models, this is obtained by a special operation on the section of the rim opposite the rim joint.Spoked Dynamic Balance: For entry-level models, Dynamic Balance is obtained by using two oversized spokes in the section opposite the joint. The result is a wheel with perfectly balanced rotational dynamics.MoMag: A technology that offers several advantages to the structural integrity of the wheel as well as eliminating the need for rim tape. The name derives from “Mounting Magnet” system, shortened to MoMag.Buy Campagnolo Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Mavic E-Deemax 35 E-MTB WheelsetFeaturing a strong Maxtal aluminium rim build, this electric mountain bike (E-MTB) wheelset is specifically engineered to handle the increased torque, speed and power that's produced by electric bike motor systems. Its welded rim with Pinch Flat Protection technology makes it more than capable of enduring wherever your ride takes you. With its 28 wide double butted spokes, UST tubeless technology and disc brake compatibility, this wheelset is an ideal choice for a wide range of electric mountain bike riding disciplines.Pinch Flat Protection TechnologyThe name E-Deemax has become a reference for E-bike riders, this updated E-Deemax 35 lives up to its name with many of the same features and technologies as a higher range model, but at a far more attainable price. One of the key factors is Mavic's Pinch Flat Protection technology, a rim design with a wider contact surface at the top of the sidewall, which significantly reduces the risk of tyre cuts and punctures. The rim is welded for added reliability and features a 35mm internal width with a Tubeless Ready compatibility to allow you to run lower tyre pressure for better traction and control.UST Tubeless Ready E-MTB WheelsetFeaturing Mavic's ready-to-ride tubeless-ready system, this wheelset is designed to offer greater traction and control for modern E-MTB riding. When used tubeless with tubeless tape, it delivers more stability and less risk of flats. The UST concept improves traction, control and comfort whilst reducing inertia and punctures.Instant Drive 360 Freewheel TechnologyAs with all of Mavic's E-Deemax wheelsets, this updated option is lab and field validated for a max total weight of 180kg. The brand's Instant Drive 360 freewheel with a double ratchet system equips the rear hub and provides fast engagement and top-level reliability. Super light and fast to engage with only 9°, this freewheel system's large contactless rubber seal provides low friction super versatility.The rear hub is compatible with Shimano HG9, Micro Spline and SRAM XD driver bodies (please choose the option to match your setup from the menu). The E-Deemax 35 is available with 6-bolt or Centre Lock brake rotor mounts in 27.5” only and is compatible with a 15x110mm front axle and 12x148mm rear. The wheelset is delivered with valves, replacement spokes and accessories.Please note:- Micro Spline freehub option has Centre Lock disc brake mounts.- Shimano freehub option has 6-bolt disc brake mounts.- SRAM XD freehub option has 6-bolt disc brake mounts.Features: Rim Material: Maxtal Aluminium Axle Size: Front: 15x110mm; Rear: 12x148mm (Boost) Use: Electric Mountain Bike (E-MTB) Wheel Size: 27.5" Internal Rim Width: 35mm Tyre Compatibility: Clincher ETRTO: 584x35TC Drilling: Traditional Tyre Type: UST Tubeless and Tubetype Recommended Tyre Sizes: 60mm to 76mm (2.35" to 3.0") Spokes Shape: Straight pull, flat Spoke Count: 28 front and rear Spoke Lacing: Front and rear crossed 3 Freehub Compatibility: Multiple options available to select from the drop-down menu ATSM Category: 5: Gravity riding focused on the descent Delivered With: UST valve and accessories, Pre-installed tubeless rim tape, Replacement spokes (2 with the front wheel and 4 with the rear) Brake Type: Disc brake Single or Pair: Pair QRM Auto bearing preload technology Instant Drive 360 freewheel technology Asymmetrical rim design SUP Pinch Flat Protection sidewall (minimises the risk of tyre cuts and punctures) E-Bike specific rim profile Max Rider Weight: 180kg (E-bike included) Weight: Pair: 2260g; Front: 1060g; Rear: 1200gTechnologies: Maxtal: Light and strong Exclusive to Mavic, this specific aluminum alloy offers a higher strength to weight ratio than conventional 6106 alloy. UST Tubeless Technology: Traction and control Universal Standard for Tubeless. Ready to ride tubeless system. The UST concept improves traction, control and comfort whilst reducing inertia and flats. Instant Drive 360 Freewheel Technology: The Instant Drive 360 freewheel system is super light and efficient. A large contactless rubber seal provides low friction, while a wide array of end caps makes it super versatile. Pinch Flat Protection Sidewall (minimises the risk of tyre cuts and punctures): 20% less risk of puncture with PFP. An e-bike specific innovation to significantly reduce the risk of tire cuts and punctures. QRM Auto Bearing Preload Technology: Qualité de Roulements Mavic Auto is Mavic's latest innovation. Those cartridge bearings are of course double sealed with C3 internal clearance. Their preload is automatically adjusted to guarantee a perfect spin with no play on the long run.Manufacturer's Part Numbers: P1589115 Black 27.5" Micro Spline CL P1641110 Black 27.5" Shimano 6-bolt P1588110 Black 27.5" SRAM XD 6-boltBuy Mavic Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
The shift paddles now feature a more defined "click" for confidence in shifting and to prevent mis-shifts, also the shift buttons have been extended in length meaning they are easier to reach from the drops and hoods. E-Tube compatibility means that the function of the shift paddles can be customised to suit the rider. The 9170 shifters now include Synchro-shift 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.
Shimano Dura-Ace Di2 R9170 2x11 Disc Brake LeverThe 9170 shifters feature an ideal ergonomic shape that is comfortable in the hand and similar in size to mechanical braking versions of the shifter despite the hydraulic internals housed in the hoods. They have been updated to be more comfortable, more precise and more adaptable than previous editions.The shift paddles now feature a more defined "click" for confidence in shifting and to prevent mis-shifts, also the shift buttons have been extended in length meaning they are easier to reach from the drops and hoods. E-Tube compatibility means that the function of the shift paddles can be customised to suit the rider. The 9170 shifters now include Synchro-shift 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 controllable and confidence inspiring in race conditions Optimally balanced hydraulic brake system for racing Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles Lightweight 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: 180g (per lever)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.
Elite road racers demand reliable and precise shifting, 11-speed Dura-Ace R9150 delivers with its super-lightweight yet durable designSynchronized 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 a microchip communication link 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 difference in the effort and time to actuate the shift between mechanical and Di2 is truly staggering,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,11-speed E-tube Di2 compatible,Compatible with 50-55 tooth chainrings,Total capacity 16T,Front derailleur weight is 104 grams.
Key Features:Ultegra Shadow design 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,The rear derailleur is now the brains of the system with wireless connectivity to the shifters. It acts as the point the system is charged, provides ANT+ connection to 3rd party devises and replaces the handlebar junction,Button on the derailleur for Di2 operations, and LED light denotes synchronized shift mode, setting mode and charge requirements,Sleek appearance with Low profile Shadow design construction reduces risk of damage in a crash,Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift,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,Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts,High tolerance cold forged aluminium link plates and body construction is extremely light and durable,Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting,12-speed E-tube Di2 compatible,Wide gear ratio compatible up to 11-34T.
Shimano Dura-Ace R9270 Di2 12 Speed Disc ShifterThe Dura-Ace R9270 Di2 12 Speed Disc Shifter from Shimano is a dual control gear/brake lever for use with Shimano 12-Speed drivetrain systems and hydraulic disc brakes. It features an ergonomic construction with a carbon fibre lever blade and titanium hardware. And it's compatible with Shimano Di2 12-Speed electronic groupsets and Shimano hydraulic disc brakes for the best road gear shifting performance and all-weather braking reliability.All-new lever ergonomics on the Dura-Ace ST-R9270 dual control levers bring new levels of comfort and control to road cycling. With the fastest wireless shifting available and even more precise brake modulation, Dura-Ace redefines performance. Now featuring Servo Wave Action brake technology, the new Dura-Ace ST-R9270 brake lever delivers modulation and control like never before. Wireless shifting keeps your bike looking clean while offering the fastest, most precise gear changes available. All of this resides in a Dual Control Lever to employs the most advanced materials to offer lightweight and refined ergonomics that provide comfort and control for the most demanding conditions. Servo Wave Precise Braking ControlWhen you pull a Servo Wave brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control. Shimano DCL Dual Control LeverDCL stands for Dual Control Lever. It has brake and shifting functions in the system and enables easy operation. Ergonomic innovation is as critical to higher standard performance as the added gearing. The shift internals borrows the robustness from Shimano's MTB technology and is so smooth and effortless that one finger shifts front and rear are possible. Indeed, shifting is the ultimate act of Shimano Total Integration and simply must be experienced to be understood.Shimano E-TubeE-Tube is Shimano's “service” that uses websites or apps to maximize the enjoyment of riding a bicycle by connecting the riders, the bicycles and Shimano. Shimano's genuine application E-Tube Project for Mobile allows you to customize your bike, update firmware, and maintain it by connecting it wirelessly to your bike. You can also get more detailed bike maintenance by connecting to your bike by wire with E-Tube Project via the Windows V4 application. Please Note: This item is for the dual control shift lever only. The complete brake assembly that includes the hydraulic disc brake caliper is sold separately. Features: Quick and intuitive shifting Series: Dura-Ace R9200 Series Drivetrain: Shimano Di2 Electronic Speeds: 12-Speed Carbon fibre brake lever and titanium hardware SERVO WAVE technology optimizes brake control Raised hood peak improves ergonomics, while a longer hood body increases hand support Compatible with satellite shifters 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteriesA 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.