![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 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/81DR4oKQ+zL._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
![Amazon.com : SPEEDBOX 3 B.Tuning 2020 (Anti-Theft) ebike Tuning and Theft Protection for Bosch Motor. : Sports & Outdoors Amazon.com : SPEEDBOX 3 B.Tuning 2020 (Anti-Theft) ebike Tuning and Theft Protection for Bosch Motor. : Sports & Outdoors](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61X0rF+m++L._AC_UF1000,1000_QL80_.jpg)
Amazon.com : SPEEDBOX 3 B.Tuning 2020 (Anti-Theft) ebike Tuning and Theft Protection for Bosch Motor. : Sports & Outdoors
Tuning Chip E-Bike SPEEDBOX 3.0 B.TUNING `20/`21 (Gen4) for display: COBI/ INTUVIA/ KIOX/ NYON/ NYON 2021 (BU350)/ PURION Assembly: invisible at the drive motor displayed: actual values activation: WALK Taste / + - + - /
![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
![Amazon.com : SPEEDBOX 3 B.Tuning 2020 (Anti-Theft) ebike Tuning and Theft Protection for Bosch Motor. : Sports & Outdoors Amazon.com : SPEEDBOX 3 B.Tuning 2020 (Anti-Theft) ebike Tuning and Theft Protection for Bosch Motor. : Sports & Outdoors](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/31AVIQQ01pL._AC_UF1000,1000_QL80_.jpg)