The top tube measures approximately 20 from the center of the head tube to the center of the seat tube. Please see photograph for best description of cosmetic condition and style. This item will be packaged with great care.The item "Vintage 1987 20 Schwinn Sting BMX Bike Racing Bicycle 4130 Chromoly Frame" is in sale since Monday, October 29, 2018. This item is in the category "Sporting Goods\Cycling\Vintage Cycling\Vintage Bicycles". The seller is "nospartsnow" and is located in Boyne City, Michigan. This item can be shipped worldwide.