SpeedBox 1.2 Tuning Chip for Bosch Smart System + Rim Magnet

SpeedBox 1.2 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. Removes the speed limiter (35 km/h maximum recommended), activated with the WALK function or a button sequence.

SpeedBox 1.2 Tuning Chip for Bosch Smart System + Rim Magnet

SpeedBox 1.2 is a tuning chip for Bosch Smart System e-bikes that use the valve-mounted Bosch Rim Magnet rather than a standard spoke magnet. It removes the factory speed limiter, with a recommended maximum of 35 km/h.

Tuning is switched on and off from the bike's own controls. Real speed is not shown on the display. This version does not connect to the SpeedBox Connect app; see SB12BT-B for the Bluetooth version.

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 or - + - + button sequence (only when stationary)
• SpeedBox Connect app: not supported

Compatibility

• All Bosch Smart System motors
• All Bosch Smart System displays
• E-bikes with the Bosch Rim Magnet (magnet attached to the valve)
• Not compatible with standard spoke-mounted magnets
• Not compatible with Bosch ABS system
• Not compatible with the SpeedBox Connect app

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.

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.