badassBox FAZUA X-SET



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Unlock the speed limit of your electric bike with a badassBox Fazua tuning box. The badassBox is the easier ebike tuning to install and remove. No wiring or engine cover removal required - just slide the badassBox over the speed sensor and you are ready to go! Unleash the full speed of your ebike engine and ride it as fast as you can! 
Our newest and best e-bike tuning for the Fazua mid-mounted drive. New streamlined casing with patented snap-lock fastening for even faster mounting and release. Even more robust thanks to a special potting compound from the automotive industry. New electronics for even greater range with a single AAA battery. A quality product designed and manufactured in Germany.
Attention, you only need this set if the Fazua sensor is integrated in the fork-end (see red marked area in the 1st picture) of your bike.
If the sensor is easily accessible on your chainstay (see red marked area in the 2nd picture), you only need a badassBox 4 Fazua

The badassBox 4 Fazua X-Set includes all the parts you need to mount the badassBox 4 on your e-bike with a Fazua mid-mounted motor and sensor integrated in the fork-end:

badassBox 4 Fazua

Universal adaptor

Spoke magnet with Thumb Screw

With the badassBox 4 Fazua X-Set you not only get all the necessary parts to tune your e-bike in one 'click', but you also save money.


The integrated sensor is located in the area of the fork-end.
To get to the sensor you have to dismount the rear wheel.

Find the position of the integrated sensor* in the fork-end of your e-bike.
*The sensor shape shown is an example.

Undo the screws of the bracket that holds the sensor* is fastened to the fork-end.
*The sensor shape shown is an example.

Fasten the Universal Adapter with cylinder head screw, washer and nut (included in delivery) to the sensor*.
*The sensor shape shown is an example.

Now you can attach the Universal Adapter with mounted sensor* on the chainstay with supplied cable ties.
*The sensor shape shown is an example.

Slide the badassBox onto the adapter until it clicks into place.
Reinstall the rear wheel.
Mount the spoke magnet and align it with the edge of the badassBox housing. That's it. Have fun with your faster e-bike!