Redline flight pro xxl bmx bikethe r7 frame on redlines flight pro xxl bmx bike has been designed to cope with the rigors of high level bmxing and the bike is quite possibly one of the most technically advanced alloy race bikes in todays market due to its redline formed r7 tubing press fit bb 86 redline convertible dropouts and combination of top class components the only difference between this bike and the pro xl is the top tube which is 07 longer micro adjust pivotal seatpostthe fligh