What is a BMX Bike?This style of bike tends to be stronger and more robust than most thanks to its small frame and single gear. Its popularity was hit hard by mountain bikes but the BMX has had a growing popularity for many years now. There are many different riding styles/terms: race, freestyle, vert, dirt jump, street. For more information on BMX bikes see our BMX Buying Guide. Mar 16 2012 6:09PM