SSR Motorsports makes some of the most affordable and reliable pit bikes on the market today. They offer a wide variety of bikes, ranging from entry-level to full-race pro models. The entry level bikes start at $650 and pro level bikes start at around $1999. The great thing about these pit bikes is you get all of the features of a done up CRF50 without having to pay $3500-$5500. In addition, a lot of these bikes come with great billet parts included.