Surly Corner Bar HandlebarsSurly Corner Bar Handlebars NOW BACK IN STOCK Corner Bars: Drop Bars for MTB type Brake Shifter Levers (22. 2mm), 25,4mm Clamp w 31. 8mm shims, Weighs 0. 050kg Used to be if you wanted to throw drop bars on your off road rig, you had to fork over your allowance for a new drivetrain and brake levers. We made the Corner Bar so you could conduct all your dirt drop experiments with your current brake and drivetrain setup. I mean, why spring for the whole