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,Kit contains left hand bled ST-R9270 STI, BR-R9270 flat mount brake calliper with pads, hoses and mineral oil (without rotors or adapters).
Hard-wearing and accurately machined to run straight and true, ensuring an even tension in the chain.
Ready to bring you efficient braking control without changing your hand or body position, this Shimano aero brake lever seamlessly combines with Shimano brake calipers for strong stopping power and fine speed control. This means you can confidently carry more speed into the corners for maintaining your momentum, which is an essential skill during races.
Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads. Using a hard wired battery system which is both light weight and accurate compared to current wireless technology (as a wireless system would require 4 batteries: one for the RD, one for the FD, and one for each shift lever). The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system. One charge can give between 1000 and 2000 kilometre range depending on conditions and front mech operation (as this is the main power drain).
Di2 electronic drivetrains use a powerful long-life 7.4V Li-Ion battery, this charger that will keep your Di2 system shifting and keep it in top condition and ready for shifting.
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 Dura-Ace R9100 11 Speed Road Double ChainsetThe Shimano Dura-Ace R9100 11 Speed Road Double Chainset boasts Shimano's well-known 4-arm hollow spider that is constructed from hollow-forged aluminium. This chainset has been completely redesigned to ensure it boasts the best combination of lightweight and rigid construction. The chainset has been adapted by Shimano to work with disc brake road bikes that have a 135mm rear hub spacing and shorter chainstays without the need to increase Q-factor thanks to its wider chainring spacing. Although the crank arms and spider arms are bigger, this increases overall stiffness, and the chainset has dropped 7g of weight since its previous edition.The Double version offered here comes in numerous gear combinations to best suit each individual riders needs.Please note: A bottom bracket is NOT included.Features:Enhanced design saves 7g while maintaining rigidityIconic 4-arm construction maintains high rigidity and reduces weightOptimised crank arm design strengthens key stress zonesNew chainring tooth profile is adapted for race bike specific disc brake systemsAccommodates shorter chainstays (410mm) with 135mm OLD rear spacingHollowglide chainring construction maintains smooth shifting whilst reducing weight and increasing stiffnessWeight: 621g (53.39T)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.
Shimano Dura-Ace R9100 11 Speed Road Double ChainsetThe Shimano Dura-Ace R9100 11 Speed Road Double Chainset boasts Shimano's well-known 4-arm hollow spider that is constructed from hollow-forged aluminium. This chainset has been completely redesigned to ensure it boasts the best combination of lightweight and rigid construction. The chainset has been adapted by Shimano to work with disc brake road bikes that have a 135mm rear hub spacing and shorter chainstays without the need to increase Q-factor thanks to its wider chainring spacing. Although the crank arms and spider arms are bigger, this increases overall stiffness, and the chainset has dropped 7g of weight since its previous edition.The Double version offered here comes in numerous gear combinations to best suit each individual riders needs.Please note: A bottom bracket is NOT included.Features:Enhanced design saves 7g while maintaining rigidityIconic 4-arm construction maintains high rigidity and reduces weightOptimised crank arm design strengthens key stress zonesNew chainring tooth profile is adapted for race bike specific disc brake systemsAccommodates shorter chainstays (410mm) with 135mm OLD rear spacingHollowglide chainring construction maintains smooth shifting whilst reducing weight and increasing stiffnessWeight: 621g (53.39T)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 Dura-Ace 7700 9sp Downtube Shifter Set is built for durability and reliability, fully compatible with mega9 precision 9 speed drivetrain, its coated aluminium finish and SIS compatability makes it perfect for performance users.
Shimano Dura-Ace FC7800 Double ChainringsReplacement 10spd Alloy Chainring suitable for use with the Shimano Dura-Ace FC7800 Double Chainsets.Features:10 SpeedBCD: 130mmPlease note: Type A and B are not cross compatible, you must run A with A and B with Compatible chainring ratios:A-Type: 53.42t/54.42t (for TT/TA)/55.42t (for TT/TA)B-Type: 50.39t/52.39t/53.39tE-Type: 56.44t (for TT/TA)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.
Shimano Dura-Ace FC7800 Double ChainringsReplacement 10spd Alloy Chainring suitable for use with the Shimano Dura-Ace FC7800 Double Chainsets.Features:10 SpeedBCD: 130mmPlease note: Type A and B are not cross compatible, you must run A with A and B with Compatible chainring ratios:A-Type: 53.42t/54.42t (for TT/TA)/55.42t (for TT/TA)B-Type: 50.39t/52.39t/53.39tE-Type: 56.44t (for TT/TA)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.
Shimano Dura-Ace FC7800 Double ChainringsReplacement 10spd Alloy Chainring suitable for use with the Shimano Dura-Ace FC7800 Double Chainsets.Features:10 SpeedBCD: 130mmPlease note: Type A and B are not cross compatible, you must run A with A and B with Compatible chainring ratios:A-Type: 53.42t/54.42t (for TT/TA)/55.42t (for TT/TA)B-Type: 50.39t/52.39t/53.39tE-Type: 56.44t (for TT/TA)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.