Bosch Purion 400 Retrofit Kit – 35mm BHU3500 Smart System | TFT Display Upgrade for eBikes with LED Remote & eBike Flow App Integration
Upgrade your eBike experience with the Bosch Purion 400 Retrofit Kit (35mm BHU3500), part of the Bosch Smart System family. This sleek, compact 1.6-inch TFT display offers crystal-clear visibility, smart ride data, and full connectivity, all in a durable, easy-to-install package designed for modern eBikes.
The transmissive TFT display (320x160 pixels) is positioned in the handlebar triangle for enhanced protection while riding. With IP55 water and dust resistance, the Purion 400 is built to handle wet conditions and rugged terrain. Control your ride with ease using the LED Remote or Mini Remote (in combination with the Bosch System Controller), and stay informed through audible cues, ride stats, and system alerts.
Fully integrated with the Bosch eBike Flow app, the Purion 400 enables ride tracking, range monitoring by riding mode, battery status updates, and real-time customization of display elements such as speed, time, and state of charge. Plus, you’ll receive shift recommendations, walk assist notifications, and fitness metrics, making it a complete cockpit upgrade for your Bosch-powered eBike.
- 1.6-Inch Transmissive TFT Display – Crisp, high-contrast screen with 320 x 160 resolution for clear visibility in all lighting conditions
- Smart System Compatibility – Seamlessly integrates with Bosch LED Remote, Mini Remote, and System Controller
- eBike Flow App Integration – Record activities, check range, customize status bar, and apply over-the-air software updates
- Real-Time Notifications – Get alerts when your connected phone’s battery drops below 30%, or when walk assist and light functions are enabled
- Durable & Weather-Resistant – IP55-rated for dust and splash protection, ideal for all-weather riding
- Optimised Display Placement – Positioned within the handlebar triangle to reduce damage risk during rides
- Fitness & Ride Data Display – Includes cadence, distance, speed, and energy output tracking
- Shift Recommendations – Visual prompts to help optimise gear usage and improve ride efficiency
- Simple Installation – Comes with 35mm bracket, mounting screw, and full installation instructions
- Lightweight & Compact Design – Sleek profile maintains minimalist cockpit layout
Included in the Kit:
- 1x Bosch Purion 400 Display
- 1x Mounting Bracket (35.0 mm)
- 1x M4x10.5 Mounting Screw
- 1x Operating & Installation Manual
Ideal for riders looking to upgrade their Bosch Smart System eBike display, the Bosch Purion 400 Retrofit Kit delivers reliable, connected performance with a user-friendly interface, built for modern cycling.