Introducing the Shimano 105 Di2 Groupset where cutting-edge technology meets the demands of professional cyclists. Designed with precision and performance in mind, this electronic shifting system takes your riding experience to a whole new level, ensuring seamless gear changes and unmatched reliability on every ride.

**Key Features:**

1. **Electronic Precision:** The Shimano 105 Di2 Groupset incorporates electronic shifting technology to deliver lightning-fast and ultra-smooth gear changes. With the push of a button, experience instantaneous and accurate shifts, allowing you to focus solely on the road ahead.

2. **Effortless Operation:** The ergonomic design of the shifters ensures a comfortable and intuitive feel, enabling riders to effortlessly navigate through the gears. Whether you’re climbing steep ascents or descending at high speeds, the Shimano 105 Di2 ensures precise control at your fingertips.

3. **Customizable Functionality:** Tailor your riding experience with programmable shift modes. Personalize your gear preferences to match your unique riding style, giving you the flexibility to optimize performance for various terrains and conditions.

4. **Reliability and Durability:** Built to withstand the rigors of professional cycling, the Shimano 105 Di2 Groupset is engineered with durability in mind. Robust construction and high-quality materials ensure consistent performance, making it a trusted companion for both training and racing.

5. **Seamless Integration:** The groupset seamlessly integrates with Shimano’s E-Tube Project, allowing for easy firmware updates and customization through a user-friendly interface. Stay ahead of the curve by accessing the latest features and improvements as they become available.

6. **Efficient Power Transfer:** Benefit from the efficient power transfer of the Shimano 105 crankset, designed to optimize pedaling efficiency. This results in a more responsive and energy-conserving ride, giving you a competitive edge on any terrain.

7. **Lightweight Construction:** Achieve optimal weight distribution on your bike with the Shimano 105 Di2’s lightweight components. This groupset strikes the perfect balance between strength and weight, ensuring that you can tackle the toughest climbs with ease.

Upgrade your cycling experience with the Shimano 105 Di2 Groupset where innovation meets performance, giving you the edge you need to conquer the roads with confidence. Dominate the competition and elevate your ride to new heights with the pinnacle of electronic shifting technology.

Composition of the Shimano 105 Di2 R7150 groupset:

• 105 ST-R7170 | brake/shift lever (STI, Di2, left + right)
• 105 BR-R7170 | disc brake caliper (hydraulic, Flat Mount, front + rear)
• 105 FC-R7100 | crankset
• 105 FD-R7150 | front derailleur (Di2, 2-speed)
• 105 RD-R7150 | rear derailleur (Di2, 12-speed)
• 105 CS-R7100 | cassette
• SLX CN-M7100 | chain (incl. Quick Link chain connector)
• SLX RT-MT70 | brake disc (Centerlock, 160 mm, 2 pieces)
• BT-DN300 | battery (built-in type)