New factory frame In packing. . On a powerful bike. Frame for self-assembly of an electric bicycle. Material profile pipe structural steel, lined with abs plastic. Strong and reliable. The size of the inner seat of the pendulum motor wheel 155 mm. Internal width of a box of a frame is 14 cm. Weight 12 kg. The color is black and white. The set includes an integrated steering fork fork 1.1 / 8 x1.1.8 clamp for the seat rod and all bolts. If with a moto seat then + $ 60 to the price. There are still engines of 3-5 kilowatts.