WANT TO KNOW MORE? CLICK HERE TO SCROLL TO FAQ! Speedbox is a tuning chip which eliminates the speed limiter on your e-bike, so the motor won't switch off after reaching 16 mph (25km/h).
The expected speed should be increased to 30 mph (50 km/h) and more! Speedbox Giant tuning kit works with all Giant Syncdrive Sport / Pro / Life / Core drive system powered by Yamaha manufactured 2017-2021.
It's completely safe for your bike motor, battery and warranty. Installation is simple plug-and-play connector to the motor itself and activates by pushing two buttons on the Ride Control.
Speedbox is a tuning chip which eliminates the speed limiter on your e-bike, so the motor won't switch off after reaching 16 mph (25km/h).
COMPLETELY DERESTRICTS YOUR
Remove the annoying speed limiter and transform your e-bike into something else! It truly transforms the bike, just read the reviews!
EASY PLUG-AND-PLAY INSTALLATION
Plug-and-play installation and two-button activation. Find the installation instructions (FAQ) below or call us for help!
LIFETIME WARRANTY. SAFE FOR YOUR BIKE
Undetectable by your bike dealer so the bike warranty is safe. Also, safe for your motor and battery. Speedbox has lifetime warranty.
MAX SPEED OVER 30 MPH / 50 KM/H !
No more 16mph / 25km/h speed limiter! Set your own max speed! Completely transforms the bike.
Matt here is your guide to show what Speedbox is all about! Watch the video below!