TC Bros. 7/8" Window Handlebars - BlackTC Bros. 7 8" Window Handlebars Black TC Bros. 7 8" Window Handlebars are made in the USA from 7 8 inch OD x 0. 095" wall premium American steel tubing. All joints are precision fit and hand TIG welded to a finish you will be proud to display. The uprights angle inward resulting in a more aggressive look than most traditional windows you will find. These bars look great on a variety of bikes. With 6" of rise and a 27" overall width, these bars are