Shimano Dura-Ace R9200 Di2 Groupset (Black) (2 x 12 Speed)

When you want nothing but the best, the Dura-Ace R9200 Di2 electronic groupset is the right choice. Shimano's top-tier road group, this is what Tour de France pros ride. It's light, fast, and performs like no other. Whether you are upgrading your parts or customizing your dream build, Dura-Ace Di2 is the right call.

Features:

• Shimano's top-of-the-line road groupset
• Maximum performance and weight savings in every component
• Ultra-fast and accurate electronic shifting
• 11-34T cassette provides more range for climbing
• Incredible battery life (over 600 miles on a single charge) 
• Smooth and powerful braking modulation from Servo Wave technology
• 12-speed cassette fits on standard 11 and 12 speed HG freehub bodies
• Groupset includes everything you need – except for the crankset and bottom bracket (which are size-specific)

Specifications:

• Speed: 2 x 12 Speed
• Shift Mechanism: Electronic (Semi-Wireless)
• Brake Type: Hydraulic Disc
• Brake Mount: Flat Mount
• Cassette Drive Type: Shimano HG 11/12
• Cassette Teeth: 11-34T
• Rotors: 160mm (Front), 140mm (Rear)
• Rotor Mount: Centerlock
• Color: Black

Groupset Includes:

• (1) ST-R9270 Left Shifter and Front Brake Caliper (w/ Hose and 160mm Rotor Adapter)
• (1) ST-R9270 Right Shifter and Rear Brake Caliper (w/ Hose)
• (1) RD-R9250 Rear Derailleur
• (1) FD-R9250 Front Derailleur (Braze-On)
• (1) CS-R9200 Cassette (11-34T) (Shimano HG 11/12)
• (1) CN-M9100 Chain
• (1) RT-CL900 Front Rotor (160mm) (w/ Lockring)
• (1) RT-CL900 Rear Rotor (140mm) (w/ Lockring)
• (1) BT-DN300 Battery
• (1) EW-EC300 Charging Cable
• (1) EW-SD300 E-Tube Wire (700mm) (Connects front derailleur and battery)
• (1) EW-SD300 E-Tube Wire (1200mm) (Connects rear derailleur and battery)