Perfect for those upgrading their 105 12-Speed Mechanical

Transform your cycling performance with the Shimano Ultegra R8170 12-Speed Di2 Disc Upgrade Kit, engineered for road cyclists who demand precision and reliability. This cutting-edge upgrade kit features Shimano's revolutionary Di2 technology, delivering seamless and lightning-fast wireless shifting that elevates your riding experience. The ergonomic dual control lever design ensures optimal comfort and control during every ride, making it the perfect choice for serious cyclists looking to enhance their road bike performance.

Experience unparalleled performance with Shimano's advanced SERVO WAVE technology, providing enhanced modulation and control for superior braking precision. The wireless Di2 platform creates a clean cockpit design that not only improves aerodynamics but also simplifies maintenance, while the raised hood peak design delivers improved ergonomics for extended comfort during long rides. With both wired and wireless Di2 connectivity options and compatibility with additional satellite shifters, this upgrade kit offers maximum flexibility for customization.

Built for durability and convenience, the Ultegra R8170 features an impressive battery life of 1.5 to 2 years with easily replaceable CR1632 shifter batteries, ensuring reliable performance when you need it most. The kit includes advanced features like reach adjust, free stroke adjust, and funnel bleeding capabilities, along with firmware update capability via E-Tube Project for future-proof technology. At just 391g per pair, this lightweight upgrade delivers professional-grade performance that's perfect for competitive road cyclists, gravel bike enthusiasts, and dedicated riders seeking the ultimate in shifting precision.

Key Features:

• Wireless Di2 Technology: Cutting-edge electronic shifting system providing seamless and lightning-fast wireless gear changes for superior performance
• Dual Connectivity Options: Compatible with both wired and wireless Di2 connections, offering maximum flexibility in setup and installation
• Extended Battery Life: Exceptional 1.5 to 2 years of battery life with easily replaceable CR1632 shifter batteries for minimal maintenance
• Ergonomic Dual Control Lever: Refined ergonomic design with raised hood peak and unparalleled engineering feedback from professional cyclists
• Servo Wave Technology: Advanced braking technology providing enhanced modulation and expanded braking control area for optimal stopping power
• Reach Adjustment: Customizable lever distance allowing riders to fine-tune handlebar positioning for maximum comfort and control
• Free Stroke Adjustment: Adjustable brake lever travel distance enabling personalized braking feel and response characteristics
• Remote Switch Compatibility: Supports additional satellite shifters for enhanced shifting access from multiple hand positions
• Firmware Updates: E-Tube Project compatibility allows for easy firmware updates and customization of shifting parameters
• Lightweight Construction: Weighs only 391g per pair, delivering professional-grade performance without compromising on weight savings

As Australia's premier bike service & repair specialists, Tune Cycles can provide expert installation and setup of your new Shimano Ultegra R8170/R7170 Lite 12-Speed Di2 Disc Groupset Series Color. Book a service appointment online at tunecycles.com.au/book for professional assistance.