This is a barely used 2009 Raleigh Rush hour Track / Single Speed Bike. The fixed/free rear hub rear end can be switched between fixed or freewheel by flipping the wheel. It's so lightly used, the original tires still have the center seam showing. 55cm frame Steel Frame - Reynolds 520 butted tubing Weighs 21.1 lbs without pedals San Marco Ponza Seat Specialized Espoir Tires Cane Creek Headset