Electric Bicycle Single weight, 22.0 kg Product volume, 135.0cm*19.0cm*70.0cm Wheel size, 24 inches, 26 inches, 27.5 inches, 29 inches, width 2.125, 2.35 Optional speed: 21 speed, 24 speed, 27 speed, 30 speed Rim type: three-axis wheel, spoke wheel Painting: Logo can be customized, inside the painting Material: high carbon steel, aluminum alloy Motor power: 300w Climbing grade: 30掳 Carrying...