Bosch BRM3400 Rim Magnet for Smart System

The Bosch BRM3400 rim magnet enables e-bikes with Smart System to record ride data together with the speed sensor. Without it, the system does not work correctly.

• Enables the system to record ride data together with the sensor
• Without the magnet, the Smart System does not work correctly
• Compatible with Active Line, Cargo Line and Performance Line, including CX and SX
• Only works with an integrated speed sensor and a suitable frame
• A Presta valve also requires the sleeve, sold separately

Technical specifications

• Compatibility: only for Bosch Smart System with an integrated speed sensor and suitable frame geometry
• Compatible systems: Active Line Plus and Active Line (from 2024), Cargo Line (from 2022 to 2025), Performance Line (from 2023 to 2025), Performance Line CX (from 2022 to 2025), Performance Line CX Race (from 2023), Performance Line SX (from 2024), Performance Line Speed (from 2023 to 2025)
• Package contents: 1x rim magnet for Smart System
• Presta valve: requires the magnet sleeve, sold separately
• Item code: 7507
• Intended use: recording ride data together with the system sensor
• Model: BRM3400

Founded in Germany in 2009 as a start-up within the Bosch Group, Bosch eBike Systems is now based in Kusterdingen. It develops motors, batteries and on-board computers to support e-bike riders. In 2010, it presented its first electric bicycle drive system at Eurobike.