BMX Race Frames Expert XL

BMX Race Frames Expert XL: frames in the Expert XL size class. Top tube approx. 19.75" to 20.25", for a rider height of approx. 4'11" to 5'5" (150 to 165 cm). These are guide values; every brand publishes its own chart, and at the boundary it comes down to preference: smaller is nimbler, larger is calmer on the straights.