Dura-Ace Di2 (Dual Integrated Intelligence) moves to the next generation. Tested in competition and taken to victory by pro riders in all conditions, including the 2012 Tour de France Team Sky. SM-JC41 cable junction for internal wire routing. Key Features: Required for connection of the rear mech, front mech, battery and cable to battery indicator junction box. Positions inside your frame. Water resistant. Cables sold separately.
Di2 uses a powerful long-life 7.4V Li-Ion battery, this charger will keep your Di2 system shifting and keep it in top condition.
Shimano E-Tube Di2 Junction Box The Shimano Di2 SM-JC41 internal junction box is the Grand Central Station of the e-tube Di2 system. All of the component and battery wires meet here before running out to their respective components. All of the wires that connect to the junction box use the same connector to make assembly that much easier.Features:SM-JC41 cable junction for internal wire routing.Junction is required for connection of rear mech, front mech, battery, and cable to battery indicator junction box.To be positioned neatly inside frame tubing when connected.Cables sold separately.Reliable and secure water resistant connectors.This junction box is only made to be mounted internally on frames specially designed for an internally routed system.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.
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but gives effortless gear shiftsUltegra Di2 uses a fully removable individual cable system from the battery indicator junction box enabling fine tuning with the correct cable length to each component for easy and tidy fitmentEW-SD50 wires are required to connect the junction (either SM-JC40 external or SM-JC41 internal to the rear mech, front mech, battery and to the handlebar battery indicator junction boxEW-SD50 individual wires are available in varying lengths, there is no need (or facility) to cut these cablesReliable and secure water resistant connectors.
Shimano Nexus Internal HubThe Nexus Internal Hub is a replacement gear sprocket that's compatible with the Shimano Nexus and Alfine 3 to 11-speed gear hubs. Genuine high-quality Shimano rear hub gear sprocket for use with city, touring and trekking bikes.Features: Use: City, Touring and Trekking Group: Alfine / Nexus Thickness: 2.3mmA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano RT-54 Centre-Lock Disc RotorThe RT-54 Centre-Lock Disc Rotor from Shimano is ideal for use with Shimano hydraulic mountain bike (MTB) brakes and provides exceptional stopping power in all weather conditions.This stylish design features a stainless-steel construction with an aluminium spider at its core. Its build assists with heat dissipation and helps maintain consistent braking performance as you ride from trail to trail. Plus, it uses Shimano's Centre-Lock system for quick and easy mounting and hassle-free maintenance. Features: Rotor Material: Stainless Steel Spider Material: Aluminium Use: MTB Design: 2-piece Brake Pad Compatibility: Resin Part Number: 3056001114Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Ultegra grade RT-CL800 Ice Tech rotors give excellent performance made from a stainless steel / alloy 3-layer sandwich construction that manages heat while riding,The clad steel / alloy / steel rotor construction allows heat generated from braking to radiate quickly through the aluminium core achieving surface temperature drops of around 50 deg C. When used with Ice Tech pads surface temperatures can drop from around 400 to 300 deg C, this provides great improvements in performance all round,Ice Tech rotors achieve long pad life, less noise and less fade due to improved heat dispersion,Using the proven Shimano Centre Lock system for excellent rigidity and security with an easy set-up,Rotor contact surface has been developed for excellent pad clearing and cooling which increases pad performance and life,Large forged alloy spider supports rotor surface, increasing rigidity and reducing weight,Comes complete with alloy lockring.
Dura-Ace grade RT-CL900 Ice Tech rotors providing consistent braking performance through energy control, using revolutionary stainless steel / alloy 3-layer sandwich construction that manages heat while riding,The clad steel / alloy / steel rotor construction allows heat generated from braking to radiate quickly through the aluminium core achieving surface temperature drops of around 50 deg C. When used with Ice Tech pads surface temperatures can drop from around 400 to 300 deg C, this provides great improvements in performance all round,FREEZA rotors allow the alloy core to extend out from the braking surface as a fin to providing added cooling,Ice Tech rotors achieve long pad life, less noise and less fade due to improved heat dispersion,Rotors are durable lightweight and rigid, using the proven Shimano Center Lock system giving increased strength and security with an easy set-up.Precision cut braking surface improves pad clearing in muddy conditions while aiding cooling under high loadLarge alloy spider is a highly rigid and lightweight support for the rotor surfaceSuper polished braking surface gives excellent braking performance
Shimano S705 11 Speed Internal Geared HubIdeal for E-Bike and non-E-Bike use, the Shimano S705 11 Speed Internal Geared Hub is an 11-Speed Shimano Di2 electronic gear shifting internal gear hub that's reliable, efficient and stylish.Alfine is a stylish, premium-level component group sure to appeal to quality-minded consumers. Premium quality, style, versatility, and effortless operation define Alfine. Use the clean look and wide-range gearing of this internal 11-speed hub to enhance your cycling experience.Shimano Di2 Compatible and Approved for E-Bike UseThe Shimano Alfine S7051 hub offers a wide 409% gear range actuated by Shimano Di2 electronic shifting and an improved internal structure for better gear engagement. Plus, it is approved for E-Bike and non-E-Bike use. Features: Internal geared Hub for Shimano Di2 electronic drivetrain Wider gear ratio with lighter weight Gear ratio: 409% (11-speed) Silent clutch Gear Change Support mechanism Longer durability oil lubricant Brake Type: Centre Lock Disc O.L.D. (Dropout Spacing): 135mm Axle Length: 187mm Flange Diameter: 1043mm Flange Width (left/right): 32mm Offset: 315mm Weight: 1.66kgBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano SD300 Di2 Internal BatteryThe SD300 Di2 Internal Battery from Shimano is a powerful and lightweight Li-Ion internal battery for use with Shimano Di2 electronic 12-Speed E-Tube drivetrain systems.The DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12-speed road derailleurs and shifters (if a fully wired option is selected). With the same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies wiring to front and rear derailleurs, always supplying stable power. The third port is for riders who seek the redundancy of Shimano's 12-speed Di2 wired option.Shimano E-Tube CompatibleE-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. Features: Compatible with thinner next-generation electric wire SD300 and systems after R9250/R8150 series 3 SD300 ports Shared fixing method with BT-DN110 Series: Dura-Ace R9200 Series Battery Type: Li-Ion Shimano Part Number: BT-DN300 Weight: 52gA 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.
The DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12-speed road derailleurs and shifters (if a fully wired option is selected). With the same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies wiring to front and rear derailleurs, supplying stable power at all times. The third port is for riders who seek the redundancy of Shimano's 12-speed Di2 wired option. Shimano E-Tube Compatible E-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.
Specifications:Group: Alfine Di2,Model: SG-S7051-8,Gears: 8.