EKX X21 Electric Bike 
Aluminum Alloy Frame:Lightweight and durable
Modes: Pure electric, electric assist, pedal
2000W Motor: High speed brushless motor
Battery: 48V/35Ah lithium battery pack
Riding Distance: 30 to 40 miles
Speed; ~35mph
MTB Tires:Air-filled tires with tube 20"×4.0
Hydraulic Brakes
Full Suspension: Front & rear suspension
LED head and  brake lights