Shimano Dura-Ace Di2 R9250 Power Meter Groupset 2x12 36-52 W/ Disc Brake

The Shimano Dura-Ace Di2 R9250 Power Meter Groupset is a high-end electronic shifting system with integrated power meter capabilities from Shimano, a leading manufacturer of bicycle components. It is designed for road cycling and features a 2x12 speed configuration with a compact crankset that has a 36-52 tooth chainring combination.

The groupset includes the following components:

1. Shifters: The Di2 electronic shifters provide precise and reliable shifting with the push of a button. They are ergonomically designed for comfort and efficiency.

2. Front and Rear Derailleurs: The Di2 front and rear derailleurs are electronically controlled for quick and accurate shifting. They offer precise and smooth gear changes even under high loads.

3. Crankset: The 36-52 tooth crankset provides a wide gear range for various terrains and rider preferences. It is made from lightweight and strong materials for optimal power transfer.

4. Cassette: The groupset includes a 12-speed cassette with a range of sprockets to suit different riding conditions. The cassette is designed for smoother and more efficient gear changes.

5. Chain: The chain is specifically designed for the Dura-Ace Di2 groupset and features advanced technologies for enhanced durability and minimal friction.

6. Disc Brakes: The groupset also includes hydraulic disc brakes for powerful and reliable stopping performance in all weather conditions. The disc brakes offer excellent modulation and control for enhanced safety.

7. Power Meter: The integrated power meter measures the rider's power output and transmits the data to a compatible cycling computer or smartphone. This allows cyclists to track their performance and training progress.

Overall, the Shimano Dura-Ace Di2 R9250 Power Meter Groupset with disc brakes offers top-of-the-line shifting performance, advanced power measurement capabilities, and reliable braking performance for road cyclists who demand the best in terms of 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 36-52)

Cassette                      : 11-30, 11-34

Front Derailleur          : braze-on

Rear Derailleur           : long cage