Expanded size: 171*60*110cm Mode: pure electric, electric assist, pedal Frame material: aluminum Front fork: hydraulic front fork Rear shock absorber: 750LBS Braking system: front and rear hydraulic brakes Transmission system: rear drive Tire size: 20*4.0 ChaoYang Waterproof grade: ip67 Applicable height: 160-195cm Display: YL-80C-LCD Maximum speed ≤55km/h Torsion: 60NM Slope <35° Load weights150kg Motor parameters: 48v2000w Charging time 4-6H Battery type: 18650 lithium battery Battery Capacity 35AH Undervoltage protection: 39V Overcurrent protection: 28A