20in 36V 48V 250W 350W Hidden Circuit Lithium Battery Folding Electric Bicycle

  

F20, Alu alloy AL7005, Foldable 20, Matte, Battery built-in. RS Alu alloy, Hb25.4600, foldable&liftable Stem, Sp 33.9500mm.

Alu alloy, Quick Release 40.8mm and wear resistant Bushing. Alu alloy AL7005, Strengthen, 20. Alu alloy CNC, sealed Bearings 44mm. RS, Alu alloy, Square hole, 38T with alloy cover. KENLI, with Bearing, BB68 threaded.

RS Alu alloy, 2-sealed Bearings, Disc brake. Alu alloy with Double-wall&Rivets, W24×H19mm. SHUNJIU, Circular 13G, Bend head. Circular 22.2×120mm with 2-Locking ring.

Electric Power Assist (5 Shifts). Max 30kmh, Optional speed limit. LH18650 Power Lithium, 36V13A / 48V10A. Rear Drive, 36V250W / 48V350W. DC Brushless, Toothed, Low resistance&noise. 5 Shifts intelligent IC control system. Sine wave integrated IC control chip. LCD digital display control instrument.

With USB2.0 Port 5V1A for phones, etc. MPH, Miles, Electricity, Shift, Failure, etc. Mileage cleared, Wheel size, etc.

12 Magnetics pulse&double Holzer, speed(cadence). Power off Brake lever or Pedal stop.