Shimano 105 R7170 12 Speed Di2 Disc Groupset Kit

Shimano 105 Di2 FD-R7150 12 Speed Front Derailleur

More compact and faster than ever, the 105 R7150 front derailleur performs digitally precise front shifts under any circumstances.

Combining Shimano's new Di2 platform and the road incarnation of HyperGlide+, the 105 R7150 front derailleur shifts between chainrings with the fastest, most seamless action on the market.

Shimano 105 Di2 RD-R7150 12 Speed Rear Derailleur

Now simplified with a single derailleur cage length, the new 12-speed Shimano 105 R7150 rear derailleur packs the fastest, most precise shifting on the market into a more affordable option.

With the fastest, most accurate shifting on the market, the new 12-speed 105 R7150 rear derailleur is more versatile than ever thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes.

2x Shimano 105 Di2 ST-R7170 12 Speed Shifter w/ BR-R7170 Disc Brake Caliper

Disc Brake Caliper

To the delight of riders and mechanics alike, the new 105 BR-R7170 caliper delivers enhanced modulation, a quieter brake system, and an easier than ever bleed process.

The 105 R7170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.

Levers

Road riding has never been this much fun. That's because the redesigned 105 ST-R7170 Dual Control Levers have all-new ergonomics, even more precise brake modulation, and wireless electronic shifting. This trifecta lets you focus on the next sprint, the next descent, or the next joke from your riding partner.

Shimano's new 105 ST-R7170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven Servo Wave technology. The all-new Di2 platform, used on both Dura-Ace, Ultegra & 105, untethers the shifters while delivering the world's fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.

2x Shimano EW-SD300-I Electric Wires for Di2 12 Speed (900mm & 1200mm)

Electric Wire SD300 for Internal Routing

Shimano BT-DN300 Internal Battery 12 Speed 

The new 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 EW-EC300 Charging Cable 12 Speed

The new EC300 charging connector is designed specifically for Shimano's 12-speed Di2 road drivetrains. Connected via the rear derailleur, it is also compatible with Shimano power meters.

Charging of the new Shimano 12-speed Di2 road drivetrains is now accomplished with the EC300 charger cord. Attached to the rear derailleur, this new cord is less expensive than previous chargers and can also be used to charge Shimano power meters.