Shimano Dura Ace Di 2 7970 Handlebar Cable Set: To ensure that the signal goes from the shifter to the derailleurs, the reliability of the electric cable has been proven by repeated field tests in various riding conditions, including extreme temperatures, rain, mud, & cobble stone roads. The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion & stretching, but provides effortless gear shifts. Dura-Ace Di 2 requires 2cables: a handlebar cable set to connect the shifters to a battery indicator junction box or Flight Deck, & the other to connect the handlebar cable to the battery & derailleurs. This battery to derailleur cable is available for internal or external routing in different lengths allowing for various frame sizes. The handlebar cable set is available in two types: one for use without a Flight Deck computer instead using a simple junction box to display battery life; the other is for use with Flight Deck which can providing information like cadence, gear position, battery indicator, & more. Handlebar cables should not be cut to size or modified in any way Reliable & secure water resistant connectors ...

The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion & stretching, but provides effortless gear shifts. Dura-Ace Di 2 requires 2cables: a handlebar cable set to connect the shifters to a battery indicator junction box or Flight Deck, & the other to connect the handlebar cable to the battery & derailleurs. This battery to derailleur cable is available for internal or external routing in different lengths allowing for various frame sizes. The handlebar cable set is available in two types: one for use without a Flight Deck computer instead using a simple junction box to display battery life; the other is for use with Flight Deck which can providing information like cadence, gear position, battery indicator, & more. ...

Shimano Dura Ace Di 2 7970 STI Double 10 Sp Road Lever Set: The most advanced level of shifting technology: at the touch of a switch Dura-Ace Di 2 is quick shifting, smooth, & effortless, making for unmatched drivetrain efficiency. The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion & stretching, & also provides effortless gear shifts. Simply pressing tactile buttons allows effortless & comfortable shifting even when your hands are cold Buttons are located in a near identical place to the positions youd assume for shifting using a mechanical Shimano STI. Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, & a titanium clamp band / fixing bolt. Brake lever pivot is positioned to increase power providing excellent ergonomics when riding on the hoods. For details on how to install Shimanos Di 2 drivetrain please view their Di 2 Installation guide Finely tuneable reach adjusters for the levers enable custom fitment for all hands The Di 2 STIs are also compatible with the Flight Deck computer (SC-7900), measuring important data such as heart rate, altitude, cadence, gear position, battery indicator, & more Levers are supplied without electrical cables, as these need to be ordered separately to suit Weight is 255 grams a pair ...

The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion & stretching, & also provides effortless gear shifts. Simply pressing tactile buttons allows effortless & comfortable shifting even when your hands are cold Buttons are located in a near identical place to the positions youd assume for shifting using a mechanical Shimano STI. Shifters are lightweight thanks to carbon fibre lever blades, carbon composite bracket body, & a titanium clamp band / fixing bolt. Brake lever pivot is positioned to increase power providing excellent ergonomics when riding on the hoods. For details on how to install Shimanos Di 2 drivetrain please view their Di 2 Installation guide ...

Shimano’s Synchro Shift customisable programming, allows Dura-Ace Di 2 to offer top level shifting. ...

The shift paddles now feature a more defined "click" for confidence in shifting & to prevent mis-shifts, also the shift buttons have been extended in length meaning they are easier to reach from the drops & 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 & drivetrain efficiency. ...

The 9170 shifters feature an ideal ergonomic shape that is comfortable in the hand & similar in size to mechanical braking versions of the shifter. The shift paddles now also feature a more defined "click" for confidence in shifting & 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 & 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 & aerodynamic profile & Ice Tech pads for enhanced heat dissipation. This kit comes pre-bled & ready to use with shifter, hose, caliper & pads. ...

For best shifting performance please take a note of the matching outer ring this inner ring need to be paired with. ...

Genuine replacement Dura-Ace FC-9000 chainring. ...

For best shifting performance please take note of the matching outer rings these inner rings need to be paired with. ...