27.5 inch Frame 250W Motor and 36V/10.4Ah battery Electric Bike with Samsung Battery and Shimano gear27.5′ Electric Bike 36V/10.4Ah Removable Battery 21 Speed Shimano Gears 15.6 MPH Samsung BatteryPower and endurance: 250W Motor and 36V/10.4Ah battery max speed 15.6MPh this E-bike has a big power motor and long lasting removable battery. Pure electric cruising range reaches 25 miles Assist mode reaches 30 miles. Battery charging time is about 4-6 hours.21-Speed Gears: Bike electric mode covers Speed range from 5 to 15.6 MPh. Shimano derailleur + 3-speed chainwheel and 7-speed freewheel. durable effective and fast speed change.Pedal Assist Mode: Mountain bike has assisted mode It can help you when you start the bike. Turn on the bike meter no need to turn the throttle the motor will give you a forward power when you step on the pedal use this function to start the bike will be Effortless and smoother at startup.High Quality Lithium-Ion Samsung branded battery. 80% More Lasting than other unbranded batteries. Safe travel: The high-efficiency double disc brakes can brake in time under a variety of terrains and will cut off the bicycle’s circuit while braking to ensure safe riding.Technical Specifications:It supports Bluetooth: V4.1 and above.It is IPX4 Waterproof.It can be connected with 2 devices.It has CVC 6.0 noise reduction.It charges fast and has play time up to 4 hours.It comes with a power display and inbuilt Mic.It has auto connect features and has automatic sleep feature.Product Size: 36*5*2.5cmEva box Size: 11*6.5*3.5cmColorbox size: 11.5*8*5cm:Features:Power and endurance: 250W Motor and 36V/10.4Ah battery max speed 15.6MPh this E-bike has a big power motor and long lasting removable battery. Pure electric cruising range reaches 25 miles Assist mode reaches 30 miles. Battery charging time is about 4-6 hours.21-Speed Gears: Bike electric mode covers Speed range from 5 to 15.6 MPh. Shimano derailleur + 3-speed chainwheel and 7-speed freewheel. durable effective and fast speed change.Pedal Assist Mode: Mountain bike has assisted mode It can help you when you start the bike. Turn on the bike meter no need to turn the throttle the motor will give you a forward power when you step on the pedal use this function to start the bike will be Effortless and smoother at startup.High Quality Lithium-Ion Samsung branded battery. 80% More Lasting than other unbranded batteries. Safe travel: The high-efficiency double disc brakes can brake in time under a variety of terrains and will cut off the bicycle’s circuit while braking to ensure safe riding. Technical Specifications:Frame material: Aluminum alloyMotor: 250W High speed motorBattery: 36v/10.4Ah SamsungSpeed gear: 21 speedsMaximum speed: 15.6MphRecharge Mileage: 35 MileBrake system: Double disc brakesSupport system: Brake power-cut protection