a bicycle with sprung steel wheels. Via @LaughingSquid. More info @fastcodesign here.
- Steel Wheel Bike!!! (surfabike.wordpress.com)
- Beautiful Bouncing Bike With Sprung Steel Wheels (wired.com)
- Ride tirelessly - on bike with steel wheels! (msnbc.msn.com)
- Steel-wheeled bicycle (holykaw.alltop.com)
