Speed-up your e-Bike with a Badass Box

https://www.badassebikes.com/en/

PLEASE NOTE:

The badassBox is not to be used in normal road traffic or in areas regulated by the Road Traffic Act!
Use is only permitted on private property or for example for competition or test purposes.
Mounting the badassBox may lead to a loss of the bicycle warranty.
Use of the badassBox is entirely at your own risk and danger.
The manufacturer accepts no liability for damage to property and/or persons arising from inappropriate use of the product.