A BMX frame is where it all begins. Frame geometry affects the way your BMX bike feels and responds and should be matched to your style of riding and your height. Whilst all the BMX frames in our store are designed to fit 20” wheels, the size of a frame is measured by the top tube length. Frames generally vary between a 19.5” and 21.5” top tube; the taller you are the longer you will need. Depending on what type of riding you do (street, park, trails etc) then you can choose your frame accordingly. Check out our guide to BMX FRAME GEOMETRY and as usual give us a call or drop us an email if you’d like some advice from an experienced rider.