Thanks for this post @Icarus23 - otherwise I would have had no idea.
I had ordered a King+ but with COVID-related delivery times it is looking like a month away. The shop has agreed to swap my order (with a price uplift) to the GT.
Specs are on a Polish site:
Nominal / maximum power 2 × 2000 W / 8400 W
Top speed 100 km/h
Ability to climbup to 50 degrees
Battery 72V 35Ah LG lub PANASONIC 21700
Range up to 180 km in eco mode
Charging time10 hours – 2 chargers
Suspension Hydraulic front, rear springs
Tyres11″ urban or off-road
Lights LED – 4 bulbs – 5 W
The size of folded scooter 1553 × 270 × 470 mm
Brakes Hydraulic ZOOM, 160 mm discs
Weight 52 kg
Permissible load 150 kg