Redline flight pro xl bmx bikeredlines flight pro xl bmx bike possibly one of the most technically advanced alloy race bikes on the market today has been engineered with redline formed r7 tubing press fit bb 86 redline convertible dropouts and combination of first rate components while the r7 frame has been developed to cope with rigorous high level bmx racing micro adjust pivotal seatpostthe flight pro xl bmx also features the promax brake system stainless steel spokes alienation malice r