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badassBox Typ3.3 Shimano Freeze for Di2

It simply works!

The badassBox makes your e-bike much quicker in no time at all, mounted in just moments. Back on public roads, the badassBox can be removed in seconds. Your e-bike is, once again, legally in compliance with the regular speed limits.

You read '25' – but drive faster!

Don’t be surprised at your speedometer: The badassBox freezes the value above a certain speed. Find out below why that is the case.

The badassBox Type3.3 Shimano Freeze is compatible with all Shimano mid-mounted motors with a Di2 shifting system.
For an e-bike without Di2 you need the badassBox Shimano!

See for yourself: Your badassBox makes your e-bike take off in a flash!

Scope of delivery

badassBox Shimano Freeze – version 3.3 with battery and cover, O-ring, Toolfree 5mm

This is how the badassBox works:

The badassBox Shimano Freeze freezes the displayed speed depending on the wheel circumference above a certain value. It makes no difference to the motor whether it performs at full power in the lowest or highest gear. The badassBox does not affect the maximum power. The badassBox Shimano Freeze completely lifts the engine's support limit for pedelecs with Shimano drive and Di2 shifting.

The badassBox is powered by photo battery cells (type CR2) enabling it to perform over approx. 6000 km or one year (self-discharge) thanks to its low power technology. As the signal transmission takes place without an electrical contact (contactless chip tuning) electrical damage is physically impossible. The microprocessor switches on and off automatically. The battery is replaced simply by opening the base of the housing.

Sound and reliable

The badassBox type3.3 Shimano Freeze relies on the tried and tested series 3.3 housing with the electronics of the series 3.4. It is splash-proof and less sensitive to vibrations and impacts. These are only a few of many improvements that make the badassBox very reliable.

The badassBox is a quality product - every single device is inspected many times during production. Attention: The badassBox is only guaranteed to be genuine with the seal on the base of the housing!

Not satisfied? Get your money back!

We want you to be satisfied with the badassBox. At all times. Should this not be the case then please send us a mail to or make use of our service form in the menu. We normally solve the problem on the same day.

All spare parts from the Typ3.3 model onwards are held in stock to ensure that you enjoy our product for a long time. However, should you be dissatisfied with the badassBox within the first 3 months of the purchase then we will reimburse you the purchase price. Immediately and no questions asked.


  • Mount the badassBox via the speed sensor.
  • Secure the badassBox using the O-ring at the sensor.
  • Exchange the cross slot screw at the magnet with the clamping screw enclosed when used for the first time. You won’t need tools to relocate the magnet for future uses.
  • Relocate magnet, (see video) unchanged since Typ3.3. - Unscrew - relocate - screw together. Done!


Please ensure there’s at least 15mm space between the sensor and the spokes. If it’s less, please add this adaptor plate to your order.


  • Release the badassBox O-ring.
  • Remove the badassBox.
  • Relocate magnet to the original position.

Technical data:

Length: 56mm
Height: 47mm
Width: 23mm
Weight: 71g including battery
Special feature: splash proof battery case, moulded electronics. Also works under water.
Accessories & replacement parts
Universal mount Universal mount € 5,90
incl. statutory VAT 19% plus
shipping costs
O-Ring O-Ring € 1,10
incl. statutory VAT 19% plus
shipping costs
Tool free 5mm Tool free 5mm € 1,20
incl. statutory VAT 19% plus
shipping costs


  • 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.
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