![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)
Before I connect this thing. Speedbox 3.0 for Bosch Gen4. You Think is Really Works? Lets test : r/emtbforums
![Amazon.com : SPEEDBOX 2.0 for Yamaha PW Motor eBikes. Tuning kit Suitable only for Yamaha PW Motor. Smart Tuning chip of The Second Generation : Sports & Outdoors Amazon.com : SPEEDBOX 2.0 for Yamaha PW Motor eBikes. Tuning kit Suitable only for Yamaha PW Motor. Smart Tuning chip of The Second Generation : Sports & Outdoors](https://m.media-amazon.com/images/I/5162lK3HnAL._AC_SX425_.jpg)
Amazon.com : SPEEDBOX 2.0 for Yamaha PW Motor eBikes. Tuning kit Suitable only for Yamaha PW Motor. Smart Tuning chip of The Second Generation : Sports & Outdoors
![SPEEDBOX 3.0 for Bosch / eBike Tuning also for Bosch 4th Generation Engines / 3rd Generation Smart Tuning Chip with Crank Puller : Amazon.de: Sports & Outdoors SPEEDBOX 3.0 for Bosch / eBike Tuning also for Bosch 4th Generation Engines / 3rd Generation Smart Tuning Chip with Crank Puller : Amazon.de: Sports & Outdoors](https://m.media-amazon.com/images/I/71nlUVDzYTL._AC_SX425_.jpg)