Spokes are not easy to break after long time use. Attention 16inch motor, 250W motor can't do 2 times cross. Rear drive swivel fork: 135mm-142mm. Rear drive card fly fork: 142mm.
Rim size: 16inch 20inch 24inch 26inch 27.5inch 28inch 29inch 700C. Size : 83 50 30 mm. Cable length : all about 10-13cm. Speed set :1.1-4.2V. 12V, 24V, 36V, 48V, 52V, 60V, 72V. KT-BZ-4(8) Pedal Assistant Sensor. 47PDD E-brake Cut Off Power. 1 PCS Front/Rear Hub Motor With Rim & Spokes. 1 PCS Motor Extension Cable.1 PCS 8 Magents PAS Sensor. 250W motor default P19D Rim (Fit 1.5-1.95 Bike Tire). RIM:16inch 20inch 24inch 26inch 27.5inch 28inch 29inch 700C.