SPECIFICATION: ITEM:38" ELECTRIC SKATEBOARD SIZE:38"*9.5" Deck: Flexible Deck WHEEL SIZE: 155MM (6 INCHES) Pneumatic Tires Trucks: 10 Inch Front & Back Double Kingpin Trucks Standard BATTERY: 14S 3p 15ah 756wh RANGE: 46-55km / 28.6-34.7miles (80kg rider S mode 30km/h speed flat road) MOTOR MODEL:2700W *2 Ultra-High Power Ultra-High Torque (6374 Motors) ESC: 14S High Voltage and High-Efficiency Electronic System MAXIMUM SPEED: 68KM/h / 42MPH CLIMBING GRADE:35% GRADE HILL NET BOARD WEIGHT:11.5KG GROSS PACKING CARTONS:14.5KG MAXIMUM WEIGHT:150KG/330LBS