Replacement Foam Inserts for Flite BMX Pads. Sold individually. Please measure your tube before ordering! Frame pad covers come in two sizes. Cross bar pad is single size. Frame Pads: For Chromoly Bikes: Old School size: 1" diameter tube. Fits inside our chromoly frame fit pad cover. This is the size that comes with our standard pad set. 12" long "A little bigger" size: fits 1 1/4" diameter tube. Fits inside our chromoly frame fit pad cover. This has a larger opening and thinner wall than the standard size. 12" long Frame Pads: For Aluminum Bikes Jumbo size fits aluminum frame bikes with a 1 1/2" diameter top tube. Fits inside our Aluminum frame pad cover. Cross Bar Pads: Standard Size: 9" long Extra-Wide: 10 3/4" long fits SE Big Honkin bars