SpeedBox 3.0 B.Tuning for Bosch (incl. Gen4)

SpeedBox 3.0 B.Tuning is a next-generation tuning chip with Bluetooth connectivity and mobile app integration, engineered for high-performance e-bike riding. Designed for riders who want greater control, enhanced data tracking, and flexible speed management, it delivers a powerful and connected riding experience.

Key Features & Performance

• Removes factory speed limiter for unrestricted riding potential
• Bluetooth connectivity for seamless pairing with SpeedBox App
• Real-time ride data monitoring via smartphone
• Customisable speed limit settings
• Compatible with Bosch Gen4 motors (Smart System)
• Secure and reliable operation with advanced system integration

How SpeedBox 3.0 B.Tuning Works

• Activate tuning via WALK assist (short press)
• Display shows 9.9 km/h when tuning is active
• Enables riding speeds beyond standard limits (40 km/h, 50 km/h or higher)
• Deactivate by pressing WALK assist again (display shows 2.5 km/h)
• If WALK assist is unavailable:
  • Use button sequence: + - + -

Custom Speed Limit Control

• Adjust maximum assistance speed using mode sequence:
  • Turbo → EMTB → Tour → Eco → Tour → EMTB → Turbo
• Displayed values correspond to speed limits:
  • 1.5 = 15 km/h
  • 2.0 = 20 km/h
  • 2.5 = 25 km/h
  • 3.0 = 30 km/h
  • 9.9 = 99 km/h
• Selected limit is automatically saved after inactivity

SpeedBox App Integration

SpeedBox App enhances your riding experience by providing detailed insights and control directly on your smartphone.

• Live ride data tracking and performance monitoring
• Trip history storage and comparison
• Speed limit adjustments
• Invisible tuning mode
• Motor lock functionality
• Advanced motor diagnostics

The device operates independently, but using the app provides a complete overview of your riding data and performance trends. Bluetooth 4.0 or higher is required.

Product Overview

Important Usage Note (Bosch Gen4)

• After finishing your ride, keep the bike powered on
• Wait until display shows 0.0 km/h
• Remaining time may be displayed in minutes
• Once completed, it is safe to turn off the bike

Installation & Assembly

• Colour-coded connectors for simple and accurate installation
• Plug-and-play setup with step-by-step guides and videos
• Easy removal and reinstallation
• Ride at least 1 km before activating on a new bike

View detailed installation instructions

Important Safety Information

• Use of modified e-bikes may be restricted on public roads
• Intended for private property use only
• May void manufacturer warranty
• Always wear appropriate protective gear

If you lose your PIN or service password, you can recover access via the official service.