SpeedBox 1.2 B.Tuning Bluetooth Tuning Chip for Bosch Smart System + Rim Magnet
Fits all Bosch Smart System motors and displays on bikes with the valve-mounted Bosch Rim Magnet. Bluetooth tuning chip that removes the speed limiter (35 km/h maximum recommended) and pairs with the SpeedBox Connect app.
SpeedBox 1.2 B.Tuning Bluetooth Tuning Chip for Bosch Smart System + Rim Magnet
SpeedBox 1.2 B.Tuning is the Bluetooth version of SpeedBox 1.2 for Bosch Smart System e-bikes using the valve-mounted Bosch Rim Magnet. It removes the factory speed limiter, with a recommended maximum of 35 km/h.
Tuning can be switched on and off with the WALK function, a - + - + button sequence or the SpeedBox Connect app. Real speed is not shown on the bike's display.
Key Features
Maximum speed: unlimited (35 km/h maximum recommended)
Tuning status shown on display: 3.5 km/h = on, 2.5 km/h = off
Correct travelled distance shown after the post-ride countdown finishes
Real speed on bike display: no
Activation: WALK function, - + - + button sequence, or SpeedBox Connect app (only when stationary)
SpeedBox Connect app: supported (Bluetooth)
Compatibility
All Bosch Smart System motors
All Bosch Smart System displays
E-bikes with the Bosch Rim Magnet (magnet attached to the valve)
SpeedBox Connect app
Not compatible with standard spoke-mounted magnets
Not compatible with Bosch ABS system
Good to Know
Do not activate or deactivate tuning while riding.
Check whether your bike uses a standard magnet or the Bosch Rim Magnet before ordering.
For standard-magnet Smart System bikes, see SB11BT-B.
Legal and Safety Notice
This tuning chip changes the e-bike's factory speed limit and assistance settings. A modified e-bike may not be legal to ride on public roads, cycle paths or other public areas; SpeedBox products are intended for use on private property, at the rider's own risk. Installation may void the e-bike manufacturer's warranty. Installation by a qualified technician is recommended. Always wear appropriate protective gear.