Delta Adjustable Crossbar Top Tube Frame Adapter

The Crossbar Substitute works as a top tube with non-traditional style frame designs for easier rack mounting. Works with hanging bike racks or tray-style racks that grip a bike's frame. Quick-release clamps allow for quick and easy adjustment Thick rubber coating protects bike's finish Weight limit is 50lbs Distance limit from seat post to stem: max: 32.25", min: 23"