The Shimano Ultegra R8170 DI2 12-Speed Groupset

The Shimano R8170 DI2 12-speed groupset represents the latest evolution in electronic shifting technology for road bikes. With a fully wireless setup, enhanced shifting performance, and advanced braking systems, this groupset offers unparalleled reliability and precision for both professional cyclists and passionate amateurs.

Key Features

• 12-Speed System: The extensive gear range ensures precise and smooth transitions, ideal for various riding conditions.
• DI2 Electronic Shifting: Fast and accurate shift actions with a fully wireless design eliminate cable resistance and reduce maintenance.
• Hydraulic Disc Brakes: Improved braking power and modulation in all weather conditions.
• Optimized Ergonomics: Newly designed shifters and brake levers enhance comfort and control.
• Integrated Battery: Long battery life with easy charging, free from complex wiring systems.
• Dura-Ace Technology: Focused on delivering the lightest and most responsive performance.

Advantages

• Seamless Shifting: With DI2 technology, shift actions are exact and consistent.
• Reduced Effort: Less physical effort required for shifting and braking, ideal for long rides or competitive races.
• Low Maintenance: Electronic shifting and hydraulic disc brakes require less frequent adjustments compared to mechanical systems.
• Advanced Braking: Reliable braking power in all conditions, with improved control and modulation.
• Modular Installation: Flexible setup options thanks to the wireless design, fitting a wide range of bike frames.

Applications

The Shimano R8170 DI2 12-speed groupset is designed for:

• Road Bikes: Optimal for both racing and training conditions requiring precision and reliability.
• Gravel Bikes: Versatile 12-speed system and robust hydraulic brakes are perfect for varied terrains.
• Endurance Riding: Long-distance rides benefit from the comfort and consistency of electronic shifting.

This set includes

• 1x Shimano Ultegra CS-R8101 / CS-R8100
• 1x Bottom bracket SM-BB71-41B or SM-BBR60
• 2x Brake Rotor RT-MT800
• 1x Hydraulic Disc Brake BR-R8170-F
• 1x Hydraulic Disc Brake BR-R8170-R
• 1x Shifting/Brake Lever ST-R8170-R
• 1x Shifting/Brake Lever ST-R8170-L
• 1x Front Derailleur FD-R8150-F
• 1x Rear Derailleur RD-R8150-R
• 1x Ultegra M8100 12-speed chain
• 1x Crankstel Ultegra FC-R8100 12-speed 
• 1x Disc Brake mount adapter included with 160mm brake rotor
• 1x Battery (Di2 spec.) BT-DN300
• 1x Charging Cable EW-EC300
• 1x Electric Wires (Di2 spec.) EW-SD300 (900mm and 1000mm)

Summary

The Shimano R8170 DI2 12-speed groupset represents the pinnacle of cycling technology, offering unmatched shifting and braking performance. Whether you’re a competitive cyclist or simply seeking the best in bike performance, this groupset delivers excellence in every aspect. By choosing DI2 technology, you benefit from a low-maintenance, user-friendly, and performance-oriented system that makes every ride a joy.