Bosch Connect Module Retrofit Kit for BDU38YY (BCM3100)

The Connect Module Retrofit Kit (BCM3100) upgrades your BDU38YY bike with smart connectivity features. This retrofit module enables real-time tracking, performance monitoring, and seamless integration with cycling apps and devices. Easy to install on compatible models, it transforms your bike into a connected ride without requiring a full replacement. Perfect for cyclists who want modern tech features on their existing setup.