Speedbox B-tuning Bosch 3.0 Speed Increasing Device

New generation tuning chip with Bluetooth and mobile app for your electric bike.Our most powerful and versatile product.The new SpeedBox 3.0 B.Tuning offers a unique connection between the electric bike and the mobile phone.The chip is optimized down to the last detail to offer performance and maximum driving pleasure.The chip disables the speed limit of the bike and you can enjoy riding at unlimited speed.With the SpeedBox app, you can follow and all record the parameters of the courses on the screen of your phone.Anytime and anywhere.How does SpeedBox 3.0 B.Tuning work?Our latest chip is easy to use.You can activate it through the mobile application or on the screen of your electric bike.After a brief activation of the WALK function, the display will probably show 9.9 km/h (6.2 mph) and from then on you will be able to ride unlimited speed.To turn off the chip, reactivate the WALK function.The display shows 2.5 km/h (1.6 mph) and the 25 km/h speed limit will turn back on.The electric