Unlock the speed limit of your electric bike with a Bosch badassBox 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 like a derestricted e-bike should be!
 
E-BIKE TUNING WITH THE BADASSBOX FOR PEDELECS WITH BOSCH MOTOR   
Our newest and best e-bike tuning for all Bosch mid-mounted drives incl. 4th generation/2020. 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.
 
SCOPE OF DELIVERY                                                                                                               
badassBox 4 Bosch with AAA battery and thumb screw. Please note that the original spoke magnet of your e-bike is suitable for this product, we therefore only enclose a thumb screw.
 
 
Only compatible if the magnet is on the wheel spoke. If the magnet is integrated into the brake rotor click here
                                                             
BADASS EBIKES PROUDLY PRESENTS: THE NEW IMPROVED BADASSBOX 4 BOSCH
The badassBox 4 is the result of more than a year's development. We have completely re-designed 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. Tool-free battery change can be carried out quickly and easily while you're on the road – but should only be necessary once a year, or every 7000km. This was made possible by our in-house developed and patented field amplification technology FEET (Field Enhancement & Elimination Technology). To protect against moisture and mechanical stress, the electronics are glued into the casing and completely sealed with a special casting 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 25km/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 7,000km
• Auto industry potting compound
• Doubled quality control
• Made in Germany
• One month money-back guarantee
 
INSTALLATION
 
The badassBox 4 Bosch is fitted over the Bosch 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 zip tie.
 
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.
 

 
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 43 x 15 mm.
Weight: badassBox 27g, including battery 37g.
Battery: 1.5V AAA battery (IEC R03).
 
DISCLAIMER OF LIABILITY 
The operation of modified electric bike on public roads may be against the law in some countries. The seller takes no responsibility for damages resulting from the use of tuning products. Electric bikes equipped with tuning products can be used exclusively on private property and entirely at one’s own risk. The use of tunings may void the warranty of your e-bike. We strongly recommend using safety features and protective gear to prevent injuries at higher speeds.
 
HOW TO INSTALL the badassBox 4:
For best results, during the installation of the badassBox keep the bike engine TURNED OFF at all times. 
​
1)  Remove the battery from the badassBox and make sure that it is fully charged. Wait before re-inserting the battery.
2)  Slide the badassBox over the speed sensor and install the magnet on the wheel spoke. Align the magnet as shown below. 
 
 
3)  Make sure that the battery was removed from the badassBox for at least 30 seconds before re-inserting into the badassBox.
4) Turn on the system and make a few wheel turns. If the display shows a speed, the device is working. 
 
NOTE: 
On certain e-bikes models it may be advised to relocate the magnet on the rear spoke or to twist it at 90 degree (magnet facing up or down) to allow more tolerance between box and magnet. 
 
RETURNS:                                                                                                                                                       
The returned BadassBoxes are tested with a specific badass diagnostic tool for any errors/malfunctions. In the majority of the cases boxes are in good working conditions so please make sure that you have followed the instruction correctly before requesting a new unit. 
 
BEFORE RETURNING THE BOX CHECK THAT THE BATTERY IS NOT THE CAUSE OF THE MALFUNCTION
 
 
 
    

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