badassBox for POLINI motors
Polini motors use very specific speed sensors, whose shape and positioning decide on the badassBox to be used.
Polini Sensor
If this sensor of your Polini motor - as shown in the picture below - is located on the chain stay of your bike, then the badassBox4 Polini is exactly what you need.

badassBox 4 Polini
€154.00*
Badass eBikes proudly presents: the newly upgraded badassBox 4 Polini
The badassBox 4 is the result of more than a year's development. We have completely redesigned the casing, made it more
streamline and replaced the o-ring of the previous version with our patented snap-lock fastening. Making it more streamline makes
it even easier to fit. The new snap-lock fastening means you can attach and remove your badassBox with just one hand in seconds.
At customer's request, we have additionally added an optional securing feature on the snap lock using a cable tie.
The CR2 battery has been replaced with a AAA battery, so you can pick up replacement batteries much cheaper on just about any
street corner. You can carry out the replacement on site without tools and in no time. We recommend replacing the battery at least
once a year at the start of the season. Due to our specially patented field enhancement technology FEET (Field Enhancement &
Elimination Technology) you get very far with one battery. To protect against moisture and mechanical stress, the electronics are
glued into the casing and completely sealed with a special potting compound.
The badassBox is developed and manufactured exclusively by us in-house. Before and after casting we check each badassBox
individually. Customer satisfaction and quality are our top priorities. If you have any questions, don't hesitate to ask – we'll
get back to you with an answer straightaway, mostly on the same working day. Due to the high quality and our focus on customer
satisfaction, we additionally offer a 1 month money-back guarantee.
In a nutshell
The badassBox is attached to the speed sensor of the e-bike and overrides the 25 km/h speed limit. Remove it and your e-bike is
restored to its original state.
Contactless e-bike tuning
Streamlined, registered design for casing
Patented snap-lock fastening
Securing feature on the housing
Patented field enhancement technology
AAA battery for range in excess of 7,000 km
Auto industry potting compound
Doubled quality control
Made in Germany
One month money-back guarantee
Installation
You will find the speed sensor on the chainstay of your bike (as pictured). The badassBox 4 Polini is fitted over the Polini
speed sensor next to the rear wheel. When the snap-lock clicks into position, the badassBox is fitted securely to the sensor. For
extra secure fitting, the badassBox can also be fastened with a cable binder.
When the badassBox is first fitted, the spoke magnet that comes with it must be mounted in place of the original magnet. Without
the badassBox, our spoke magnet functions identically to the original magnet, but when the badassBox is fitted, the spoke magnet is
necessary for our patented field enhancement technology to work properly. Once the badassBox has been fitted onto the sensor, the
spoke magnet must be offset to the casing edge in the direction of the snap-lock clasp. If the spoke magnet touches the badassBox,
it must be repositioned as near as possible next to the badassBox and turned through ninety degrees. It's now ready for use.
Following removal of the badassBox, the spoke magnet must be returned to its original position.
.responsive-video {
position: relative;
padding-bottom: 56.25%;
padding-top: 30px;
height: 0;
overflow: hidden;
}
.responsive-video iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
How it works
The contactless and wireless badassBox transmits a modified signal in order to override the speed limit of your e-bike – without
interfering with the motor's electronic circuitry or software. There's no need to open the motor and there is no risk of damaging
it. The badassBox can be fitted in seconds – and just as quickly removed, restoring your e-bike to its former road-legal condition.
For all these advantages, a wrong speed, and values derived from it, are displayed. We recommend the use of GPS-related
accessories for a more precise data acquisition of driving data (smartphone, bike computer, etc.).
Technical data
Dimensions 61 x 40 x 15 mm
Weight badassBox 27 g
including battery 37 g
Battery 1.5 V AAA battery (IEC R03)