Specifications of the SAMEBIKE RS-A07 Battery: lithium 36V13Ah battery Motor: high-speed 500 W motor Capacity: 25 km/h by default, 35 km/h max. Assistance power range (km): 60-80 Autonomy on pure current (km): 30-40 Suspension fork: 28-inch aluminum suspension fork without lockouts Brake: front and rear disc brakes Gear shifting: SHIMANO 7 speeds Headlight set: LED headlight (oval) Tyre: 28*1.95 inches Frame material: 6061 aluminum alloy frame Display: color LCD screen Compound: No USB charger: Yes Capacity: 150 kg Weight: 27 kg Recommended height: 170 CM-210 CM Load capacity: MAX. 150 kg Note: actual performance depends on users, road conditions, and battery protection. Electric city bike SAMEBIKE RS-A07 Power 500W Battery 36V13AH Speed 35km/h Range 80km Tire 28" Black