These shifters come complete with SP41 gear cables, which are lubricated internally along their length with low-friction silicone grease to reduce cable friction. Plus, they are compatible with 10-Speed drivetrains, can be used with double or triple chainsets & are Shimano SIS indexed for accurate shifting performance. ...

The Dura Ace chainring boasts a strong forged aluminium construction that's ready to take on all the challenges of a long day out on the road. Compatible with Shimano Dura Ace FC-7900 systems, this model delivers ultra-stiff performance while remaining lightweight. This is the perfect choice of a replacement or upgrade for getting up to speed in a flash. ...

Buy now. Pay later on Shimano Dura Ace Di 2 7970 10 Speed Rear Derailleur. Shimano Dura Ace Di 2 7970 10 Speed Rear Derailleur: Digital Integrated Intelligence or Di 2: with programmed automatic motion at the touch of a switch the Dura-Ace Di 2 rear derailleur is quick, smooth & effortless, making for unmatched drivetrain efficiency. Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth & effortless to shift. 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. Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts. For details on how to install Shimanos Di 2 drivetrain please view their Di 2 Installation guide 11-27T wide gear ratio capacity will cater for compact setups as well as the traditional road double. Full carbon fibre inner & outer pulley plates enhance rigidity & reduce weight Titanium B axle bolt for further weight savings. High tolerance cold forged aluminium link plates & body construction is extremely light & durable. Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting. Pulleys are made from tough Du Pont Zytel for longer life & less chain noise. 10-speed Dura-Ace Di 2 compatible. Weight is 225 grams. ...

Shimano Dura Ace Di 2 7970 Frame 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 2 cables: 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. External cable sets are ideal for upgrading your current bike to Dura-Ace Di 2 if it does not feature the Di 2 specific internal cable routing. There are 3 lengths of cables available to suit your frame, these are: 875 (890)mm
- for larger frames 790 (830)mm
- for medium frames 705 (770)mm
- for smaller frames For details on how to install Shimanos Di 2 drivetrain please view their Di 2 Installation guide Internal cable sets are for bikes specifically designed for Di 2 to ensure clean lines & minimal rider interference External cables are available in varying lengths, there is no need (or facility) to cut these cables Reliable & secure water resistant connectors


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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 2 cables: 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. External cable sets are ideal for upgrading your current bike to Dura-Ace Di 2 if it does not feature the Di 2 specific internal cable routing. There are 3 lengths of cables available to suit your frame, these are: 875 (890)mm
- for larger frames 790 (830)mm
- for medium frames 705 (770)mm
- for smaller frames For details on how to install Shimanos Di 2 drivetrain please view their Di 2 Installation guide


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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 Shadow design offers faster wheel changes thanks to the fact that it moves the derailleur out of the way of the dropouts. It also offers faster & more precise shifting than ever before. Shimanos 9150 groupset brings their Syncro-Shift technology to the road too. Syncro-Shift technology enables the front derailleur to read the position of the rear derailleur & will automatically operate the front shift to position the gears in the most efficient gear & best chain line so youll never have to worry about front shifting & correction shifts again. The shadow design places the rear derailleur under the chainstay & cassette to give a slimmer profile, which not only improves aerodynamics but helps prevent damage in a crash. ...