RL275In a world of ever more specific categories of bikes, the Redline RL 275 is in a category of its own. This BMX bike for adults looks like a classic BMX cruiser, until you take a gander at the Tektro mechanical disc brakes and those ultra fat 3 inch wide tires mounted on 27. 5 Plus size rims. The Vee Speedster tires roll fast and grip the corners on both pavement and dirt. They also give you some float if you decide to take a short cut down a staircase