Specifically designed for E-bike use, this cycle computer displays the various functions of the Shimano STEPS system on its screen for you to view as you ride. It can also be customised through the E-TUBE project application. Functions Include: Time, Support mode, Battery charge status, Light display, Speed, Gear indicator (for Di 2), Start mode (with Di 2 gear hubs), Fully automatic (only on wheels with 8-speed & 5-speed Di 2 hubs), Maximum velocity, Average speed, Trip per day, Travel time, Total kilometres, Estimated range, Error messages, Cadence & Service interval display. Technologies: D-FLY: D-FLY is a wireless data transmitter that easily connects DI2 & SHIMANO STEPS rider performance data with E-TUBE compatible cycle computers. Advanced wireless communication supports a more streamlined & seamless cycling lifestyle. Easier & more convenient wireless connectivity enhances communication between riders & their bikes. D-FLY builds on the capabilities of E-TUBE, & the electronics found in the latest DI2 & SHIMANO STEPS equipped bicycles. Wirelessly connecting riders to their performance data adds another dimension to the DI2 & SHIMANO STEPS experience. E-Tube: The E-TUBE platform's “ Plug & play” & D-FLY wireless connections make it easier than ever to check the system's status, & apply customized settings to DI2 & SHIMANO STEPS components with a PC, tablet or smart phone. Wirelessly customize functions like SHIMANO SYNCHRONIZED SHIFT over Bluetooth while out on a ride. Automatically checks for firmware updates on each startup to ensure all components are running the latest version. PC, smartphone & tablet applications can help you quickly diagnose errors & simplify the repair process. Beautiful visualization of your real-time SHIMANO STEPS riding data on your smartphone. Advanced all-weather design resists rusting, stretching, & freezing.