Take your riding to the next level with the Shimano Dura-Ace 12 Speed Disc Di2 Groupset. The 2x12-speed groupset with precise shifting and smooth operation, enables cyclists to enjoy a reliable gear system for a superior ride. Price includes installation of the groupset on...

Elite road racers demand reliable and precise shifting, 12-speed Dura-Ace R9150 delivers with its super-lightweight and compact design Synchronized 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...

Digital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch the Dura-Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency The rear derailleur is now the brains of the system with wireless connectivity to...

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...

ST-R9150 right hand button unit is product number 4 in the attached image Genuine Shimano replacement part Discipline Road Colour Silver Size One size

ST-R8050 left hand button unit is product number 3 in the attached image Genuine Shimano replacement part Discipline Road Colour Silver Size One size

ST-R9150 right hand button unit is product number 4 in the attached image Genuine Shimano replacement part Discipline Road Colour Silver Size One size

E-tube SEIS Y-split electric wire (3 connectors) cable lengths 450 mm / 350 mm / 50 mm Reliable and secure water resistant connectors Discipline Gravel & Cyclocross Discipline Road Colour Black Sizes 350 mm / 50 mm / 250 mm350 mm / 50 mm...

EW-JC304 E-tube cable junction for internal EW-SD300 wire routing The 4 port Junction is required for connection of several components into the system with EW-SD300 wires To be positioned neatly inside frame tubing when connected Cables sold separately Reliable and secure water resistant connectors...

SRAM eTap® / AXS Battery Charger SRAM batteries are literally a snap to remove and charge. Just flip the tool-free battery latch up and slide the battery up and out of the derailleur. Then snap the battery into the USB powered charger and connect the...

High performance Ultegra Wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts With Di2 technology shifting is easy...

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 This junction A is required to connect the shifters via E-tube wires to the down tube junction...

Integrated battery of the latest generation, which is sunk in the seat post or the steerer tube. With the internally laid cable results in a tidy look of the road bike. The integration of the battery in the frame also reduces the number of...

High performance Ultegra Wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts With Di2 technology shifting is easy...

High performance Ultegra Wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts With Di2 technology shifting is easy...

The Di2 front derailleur's operation is pioneering, smooth shifting is guaranteed thanks to wireless communication with the gear levers. What's more, shifting the rear derailleur automatically trims the front derailleur Full and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can...

Ultegra Shadow design 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 The rear derailleur is now the brains of...

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 The removal of traditional mechanical cables in favour of electrical wires...

Take your riding to the next level with the Shimano Ultegra Di2 R8100 Groupset. The 2x12-speed groupset with precise shifting and smooth operation, enables cyclists to enjoy a reliable gear system for a superior ride. Price includes installation of the groupset on your bike!...

Di2 charger cable for the internal battery that will keep your Di2 system shifting Di2 uses a powerful long-life 7.4V Li-Ion battery: keep it in top condition and ready for shifting with this specific Shimano Di2 charger 1.5 hour charge time