![Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81x7iYvfWaL._AC_UF350,350_QL80_.jpg)
Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors
![Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71opSb64+4L._AC_UF1000,1000_QL80_.jpg)
Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors
SpeedBox Tuning - We would like to introduce our flagship SpeedBox 3.0 B.Tuning for all types of Bosch motors including the newest 4th generation. ✓ This chip will connect your e-bike to
![Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71MgXF6HpGL._AC_UF350,350_QL50_.jpg)
Amazon.com : SpeedBox 3.0 for Bosch/eBike Tuning for Bosch Motors of The 4th Generation + Crank Puller : Sports & Outdoors
![Before I connect this thing. Speedbox 3.0 for Bosch Gen4. You Think is Really Works? Lets test : r/emtbforums Before I connect this thing. Speedbox 3.0 for Bosch Gen4. You Think is Really Works? Lets test : r/emtbforums](https://i.redd.it/wsti0sffal951.jpg)