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Here you'll find SpeedBox tuning chips for e-bikes equipped with Shimano motors. A tuning chip removes the 25 km/h speed limit, allowing you to utilize the motor's full potential for more efficient cycling. Verktygsgrossen offers professional solutions for everyone who demands maximum performance and reliability from their equipment.
Is it legal to use a SpeedBox?
No, tuned e-bikes are not permitted on public roads by law. Use is only allowed on enclosed areas or private land.
Does the display show correct speed with the tuning chip installed?
Yes, most modern SpeedBox models show the actual speed correctly on your e-bike's display, even above 25 km/h.



