Cyrusher XF900 tech specs Motor: 750W nominal, 1.5 kW peak rear hub motor Top speed: 45 km/h (28 mph) Range: Up to 100 km (62 mi) claimed, actually less (see below) Battery: 48 V 17Ah (816 Wh) Charge time: 5-7 hours Max load: 150 kg (330 lb) Weight: 34 kg (74 lb) Frame: 6061 aluminum Suspension: Front dual crown air fork, rear spring