Bosch BSM3150 Smart System Spoke Magnet

The Bosch BSM3150 spoke magnet is a replacement for Smart System e-bikes that allows the speed sensor to read wheel rotation. It attaches to the spoke and is made of aluminium.

• Attaches directly to the spoke without special tools for speed sensing
• Extremely light, weighing just 8.9 g without weighing down the wheel
• Small aluminium body: 11.5 mm in diameter and 20 mm long
• Works with the Speed Sensor Slim for Smart System, not with other sensors
• Check that your e-bike has a compatible Bosch Smart System

Technical specifications

• Model: BSM3150 Spoke Magnet for Smart System
• EAN/GTIN: 4054289005337
• Manufacturer code: EB11120000
• Weight: 8.9 g
• Dimensions: diameter 11.5 mm; length 20 mm
• Material: aluminium
• Compatibility: only with Bosch Smart System and Speed Sensor Slim for Smart System
• Compatible systems: Active Line and Active Line Plus from 2024; Cargo Line 2022-2025; Performance Line 2023-2025; Performance Line CX 2022-2025; Performance Line CX Race from 2023; Performance Line SX from 2024; Performance Line Speed 2023-2025
• Package contents: 1 spoke magnet

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.