Shimano Dura-Ace Di2 R9250 Power Meter Groupset 2x12 34-50 W/ Disc Brake

The Shimano Dura-Ace Di2 R9250 Power Meter Groupset is a high-performance electronic shifting groupset designed for road cycling. It includes all the components necessary for a complete drivetrain setup, including front and rear derailleurs, shifters, crankset, cassette, chain, and power meter. The groupset features a 2x12 drivetrain configuration, with a compact crankset (34-50 tooth chainrings) for a wide range of gear options. This allows for smooth and precise shifting across a variety of terrains.

The Di2 electronic shifting system provides fast and accurate gear changes with the push of a button, eliminating the need for traditional mechanical cables and reducing maintenance requirements. The groupset also includes a power meter, which measures the rider's power output and provides valuable training data.

In addition to the drivetrain components, the R9250 groupset includes disc brakes for enhanced stopping power and control in all weather conditions. The disc brakes provide consistent and reliable braking performance, even in wet or muddy conditions. Overall, the Shimano Dura-Ace Di2 R9250 Power Meter Groupset is a top-of-the-line option for road cyclists who demand the best in performance and technology.

FEATURES

- Performance measurement cranks (power meter)

- Battery mounting internally in the seatpost (adapter required), running time approx. 1000 km

- CR1632 battery in STI for wireless shifting

- Front derailleur with more compact design than previous model, connected to battery via cable

- Rear derailleur with wireless chip, LED display, charging socket and function button, connected to battery via cable

- 10% more clearance for the brake pads

SPECIFICATIONS

Series                          : Dura-Ace Di2 R9250

Application                  : Road, Triathlon & Time Trial

Shifters & Derailleurs  : 2x, 12-speed (electronic, semi-wireless)

Brakes                         : disc, hydraulic (flat mount)

COMPONENTS

Crank                           : 170.0 mm, 172.5 mm, 175.0 mm (gradation 34-50)

Cassette                       : 11-30, 11-34

Front Derailleur           : braze-on

Rear Derailleur            : long cage