poorly drawn proportions, poor quality details, poorly drawn handlebar, bad proportions, confusing parts, bad utilitarian approach, bad details, bad sketch, poor  proportion, poor design mechanism, poor chassis, poor tires, bad headlight design, bad posture, remove human figure, bad background, bad colors, bad spokes ,bad rim, poorly drawn details, bad stance, bad face, bad wheels, bad bike frame, humanoid, bad seat design, bad wheel spokes, missing batteries, missing brakes, no pedals, suspension missing, off road bike frame, 