Description

The Shimano Ultegra Di2 R8170 groupset represents the latest generation of
Shimano’s electronic road drivetrain technology, delivering professional-level
performance with the efficiency and reliability expected from the Ultegra
platform.

Built around Shimano’s 12-speed Di2 architecture, the system combines fast
wireless cockpit communication with wired derailleur connectivity through the
BT-DN300 battery platform. Together with hydraulic disc brakes and precise
electronic shifting, the groupset provides smooth gear transitions, excellent
braking control and race-ready performance.

Key Features

• Shimano Di2 electronic shifting platform
• 12-speed road drivetrain configuration
• Hydraulic disc brake system with ST-R8170 levers
• Fast and precise electronic shifting response
• Wireless cockpit communication between shifters
• RD-R8150 rear derailleur compatible with wide range cassettes
• FD-R8150 front derailleur for 2×12 drivetrain setups
• BT-DN300 internal battery system
• IceTech brake rotor technology for improved heat management
• Compatible with Shimano E-Tube Project drivetrain customization

Technical Specifications