Best Badassbox 4 2026

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Last Updated - 22.07.2026

Best Choice

01

Badass eBikes

Badass eBikes BadassBox 5 Contactless eBike Tuning Set for Bosch BDU 38 Smart System / Gen5 with App

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The badassBox must not be operated in road traffic or in the area of effect of the German Road Traffic Regulations. Use is only permitted on private premises. Before using the badassBox, check whether and how the use is permitted by you.
Not compatible are eBikes with integrated ABS system or spoke magnet
Includes dedicated app to display the current speed, set the desired tuning mode and much more
Easy installation possible with simple tools and just as easy to return to its original condition
Completely remove the speed limit
Compatible with the Bosch Smart System "Gen5" for engines of type Performance Line CX (BDU 38/model year 2025) with rim magnet

249,00 €
02

Badass eBikes

Badass eBikes BadassBox 5 Contactless eBike Tuning Set for Bosch Classic Including App

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The badassBox must not be operated in road traffic or in the area of effect of the German Road Traffic Regulations. Use is only permitted on private premises. Before using the badassBox, check whether and how the use is permitted by you.
Not compatible are eBikes with integrated ABS system or rim magnet
Includes dedicated app to display the current speed, set the desired tuning mode and much more
Easy installation possible with simple tools and just as easy to return to its original condition
Completely remove the speed limit
Compatible with Bosch engines which have the sensor shown

249,00 €
03

Badass eBikes

Badass eBikes BadassBox 4 Universal Contactless eBike Tuning for Bosch/Brose/Fazua/Impulse/Pendix/Specialized/TQ/Trek

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The badassBox must not be operated in road traffic or in the area of effect of the German Road Traffic Regulations. Use is only permitted on private premises. Before using the badassBox, check whether and how the use is permitted by you.
Suitable for all Classic sensors in the area of the chainstay (see pictures).
Note: If your sensor is in the dropout, you must order a suitable adapter separately. You can find the entire selection for this in our Badass eBikes store.
Easy installation without tools and just as easy to return to original condition.

154,00 €
Value for Money

04

badassBox

Badass Unisex - Adult badassBox 4 Brose, Black

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Package weight: 60 g
Package dimensions (L x W x H): 3.4 cm x 8.6 cm x 12.4 cm
Number of pack: 1
High quality

154,00 €
05

Badass

badass For Private Terrain 4 Tuning, black

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Use the badass chip tuning box at your own risk. Only permitted for use on private premises.
The manufacturer and seller are not responsible for any damage to items and/or people occurred during the use of this product.
The badass chip tuning box is not permitted within the scope of the StVO (German Highway Code).
For mechanical circuits. The badass chip tuning box may not be used in traffic.

154,00 €
06

Badass eBikes

Badass eBikes BadassBox 5 Contactless eBike Tuning Set for Bosch BDU 37 Smart System / Gen5 with App

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The badassBox must not be operated in road traffic or in the area of effect of the German Road Traffic Regulations. Use is only permitted on private premises. Before using the badassBox, check whether and how the use is permitted by you.
Not compatible are eBikes with integrated ABS system or spoke magnet
Includes dedicated app to display the current speed, set the desired tuning mode and much more
Easy installation possible with simple tools and just as easy to return to its original condition
Completely remove the speed limit
Compatible with the Bosch Smart System "Gen5" for engines of type Performance Line CX (BDU 37/model year 2024) with rim magnet

249,00 €
07

Wiesel Tuning

Wiesel E-Bike Tuning for Bosch Active Line — Performance Line — CX Gen4 (Variant V2)

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Very small design / not visible from the outside
Real speed modified readable
Displays the kilometres travelled.
Can be activated and deactivated or activated only for the current ride
All Bosch engines and displays (except Smart System with Kiox 300)

139,00 €
08

SPEEDBOX

SpeedBox 3.0 for Bosch

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

You can activate the SpeedBox 3.0 on an e-bike display
We recommend using additional safety features and protective products to avoid injury. For short breaks, it is advisable to keep one foot on the pedal so as not to start the "countdown" trigger process so you can continue seamlessly. Please note that the warranty for the SpeedBox products does not apply to malfunctions caused by updating the engine. For longer stops, allow at least a partial "countdown" (kilometre deduction). Do not remove the screen from the electric bike until the "countdown" (kilometre subduction) is complete. We recommend not to update the software of the e-bike.
SpeedBox deactivates the speed limit of the pedelec and you can drive unlimited speed.
E-Bike tuning chip compatible with Bosch e-bike engines also 2024 Gen. 4: Bosch Active (Line, Plus), Performance (Line, CX, Speed), Cargo Line. Also compatible with pre-2024 model years.
Compatible with displays KIOX, INTUVIA, NYON, PURION, COBI. Not compatible with the Bosch Smart System! Not compatible with SpeedBox app

189,00 €
09

Badass

badass For Private Terrain 4 Tuning

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Use the badass chip tuning box at your own risk. Only permitted for use on private premises.
The manufacturer and seller are not responsible for any damage to items and/or people occurred during the use of this product.
The badass chip tuning box is not permitted within the scope of the StVO (German Highway Code).
For mechanical circuits. The badass chip tuning box may not be used in traffic.

159,00 €
10

Badass eBikes

Badass eBikes BadassBox 5 Contactless eBike Tuning Set for Shimano 2019 Including App

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8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Not to be used in the effective range of the German Road Traffic
Not compatible are eBikes with integrated ABS system or rim magnet
Includes dedicated app to display the current speed, set the desired tuning mode and much more
Easy installation possible with simple tools and just as easy to return to its original condition
Completely remove the speed limit
Compatible with Shimano engines from model year 2019 with the shown sensors SM-DUE10 with spoke magnet

249,00 €