Trump stops sale of BadAssBox 4 for Giant ebikes | Electric Bike Forums - Q&A, Help, Reviews and Maintenance
27 April 2018, Germany, Hanover: A small add-on-box, a so-called 'badassBox', in front of an e-bike. The box is able to manipulate the electric support. The tuning of e-bikes poses new challegengers
Badass Box Type 3.4 Brose E-bike tuning kit LordGun online bike store