[Single speed for simplicity and flat handlebar for ease and style. Includes a flip-flop hub so you can ride fixed or with a freewheel. You decide how you ride. High-tensile strength steel frame absorbs the bumps in the road and is as durable as can be. Comes standard with 700 x 25C tires 40mm deep-v rims KMC chain freestyle pedals and two sets of brakes. The bike is 90 % assembled and comes with the basic assembly tools only a few parts need to be added to the bike which will take about 15 minutes. Please select size according to height: ▲(47cm) / 4\10"- 5\1" ▲ (50cm) / 5\1"- 5\6" ▲(54cm) / 5\6"- 5\11" ▲ (58cm) / 5\11"- 6\3". Please reconfirm whether the size you purchased is correct before you pay.]