Design meets functionality: Purion is the minimalist on-board computer for those who focus on the most important riding information, such as riding mode, range, or trip distance, and want a tidy look on the bike handlebars. It is easy to use, and the backlight in the display guarantees optimal readability. There are five riding modes to choose from (Eco, Tour, Sport, Turbo, Off) plus push assist. The programmable service interval display informs the eBiker when the bike needs its next check-up. It can be retrofitted by specialist dealers in combination with the Active and Performance System. Not compatible with the 2011 / 2012 / Classic+ system. Application: Various. Product name: Display. Category/Group: Bosch eBike. Short name: Purion. Model year: 2017. System: Active / Performance. Mounting: Includes display holder and cable. Compatibility: BDU250C / 255C / 250P / 250P CX / 290P / 310 / 350.