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.
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.
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.
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.
4iiii Dura-Ace FC-R9100 Left Arm Power MeterTake your training to the next level with this Left Arm Power Meter from 4iiii. This meter records your pedal power and wirelessly sends your overall output directly to a compatible device, so you can always stay on top of your performance and perfect your pedal output for race day. Innovative, Onboard Power and Cadence MeterDesigned for use with Shimano Dura-Ace FC-R9100 cranksets, it utilises ANT+ and Bluetooth connectivity to relay your data right to your smartphone or onboard computer, giving precision measurements to within +/-1% to keep you pedalling at your peak. With 100+ hours of battery life and a strong IPX7 waterproof rating, it is an excellent accessory for the performance-focused rider.Features:Accuracy: Measures to within +/-1%Crankset compatibility: Shimano Dura-Ace FC-R9100Wireless Connectivity: ANT+, BluetoothDimensions: 37.7x27.6x7.5mmPower Range: 0-4000wCadence Range: 30-150rpmWaterproof Rating: IPX7, IPX5Battery: CR2032 Lithium-Ion coin cell, 100+ hoursWeight: 8gBuy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
The HollowTech II 11-speed Dura-Ace chainset offers the optimum balance of light weight and rigidity, making it the global choice for road racing's elite riders. Key Features: Hollow outer chainring, giving vast improvements in rigidity and increased weight savings The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load These industry leading HollowTech II 4 arm cold forged hollow crank arms have been evolved to increase rigidity, reduce weight, and improve strength The teeth have been developed to work only in conjunction with the 11-speed chains for improved contact providing more efficiency and improved power transfer There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability Weight: 609 grams (50-34T)
The 9170 shifters feature an ideal ergonomic shape that is comfortable in the hand and similar in size to mechanical braking versions of the shifter. The shift paddles now also feature a more defined "click" for confidence in shifting and to prevent mis-shifts. E-Tube compatibility means that 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 derailleur with the rear shifts to optimise chainline and drivetrain efficiency. The 9170 brake calipers have been tuned to perform optimally in road racing conditions. They feature the Shimano Flat Mount system for a sleek and aerodynamic profile and Ice Tech pads for improved heat dissipation. This kit comes pre-bled and ready to use with shifter, hose, caliper and pads.
Updated for AW21 the MT500 Waterproof One Piece II do-it-all foul-weather onesie just got even better. Collection of choice for Dowhill Legends the Athertons. Guaranteed to put a smile on your face the serious tech at its heart is ready to be deployed when nothing else is up to the job. This updated design features an all new construction providing a more secure yet accomodating waist fit better protection in the critical rear spray area and more of a 'jacket and pant look'. This one-piece all-mountain suit reminds you that the worst weather can deliver the best days. For all you guys that like to get 'downright dirty'! PFC-Free and built to last this product now also has strong environmental credentials and is MADEKIND. ExoShell40DR™The fabric at the heart of the killer new MT500 waterproof collection boasts the same category leading breathability and waterproof ratings as the standard ExoShell40 but with the durability (DR) dialled up to tackle the harshest mountain terrain. A tough durable outer layer is laminated with a soft touch high wicking mesh inner layer that efficiently moves moisture away from your skin and through the super fine fluorine free membrane sandwiched in the middle. As with all of Endura's waterproofs ExoShell40DR™ is treated with an environmentally friendly PFC free DWR treatment. This fabric is also certified as having been made in a way that eliminates harmful substances from the supply chain; ensuring that products are safe forconsumers workers and the environment. This means that the only trace you will leave on the mountain is the tracks from your tyres. 90 Day Satisfaction GuaranteeSo confident are we in this product that if you are not entirely satisfied with it then we offer a no-quibble refund or replacement policy within 90 days of purchase. 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 Construction Nylon 80% Polyester 15% Elastane 5% Technical aspects Waterproofness: 20000 Breathability: 40000 Fabrics & Technologies
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
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.
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.