Bosch Cross-Swap Kit – Smart System Speed Sensor Use: Bosch eBike Smart System diagnostics (Active/Performance/Cargo) Reference: KT_KIT_GS Description Complete kit for diagnosing speed sensor faults: if your bike no longer detects the wheel, this kit allows you to temporarily replace the sensor and magnet to quickly locate the source of the problem Kit contents 1 × Slim Speed Sensor with 815mm cable (BCH3319) 1 × 6-hole magnet 1 × Spoke magnet (BSM3150) All components are new and genuine Bosch Applications Compatible with Bosch Smart System motors (Active, Performance and Cargo) for quick diagnosis in the workshop Benefits Fast diagnosis without complex disassembly Bosch OEM parts ensuring reliability and accuracy Ideal for repairers, dealers and technicians Good to know Requires a wheel equipped with a genuine Bosch magnet for proper operation. Intended for professional use, not sold as a permanent spare part.