The SBU also features front, rear and side energy absorbing zones, these are commonly referred to as your knees, elbows, face and butt. – http://focusdesigns.co

The SBU also features front, rear and side energy absorbing zones, these are commonly referred to as your knees, elbows, face and butt. – http://focusdesigns.com/design/ http://focusdesigns.com/design/ That design page is a nice read. (Though I feel a smacking is in order for their conflation of voltage and power.) Initially the square tube frame made me think "garage welder", but after 5 looks it says "I have one wheel, but I am not what you think of as a unicycle."