Cross Bar For A Thule Frame For Bicycles. The Thule 982XT Bicycle Frame Adapter for strap and hitch carriers is a cross bar adapter for hard to mount bike frames such as women's bikes, children's bikes, BMX, full-suspension and non-standard bicycle frames. This bike frame adapter creates a straight tube top so that the bicycle can be carried on a hanging style bike rack. It features a telescoping bar that adjusts to multiple frame sizes and style, and padded collars that attach to your bicycle's seat post and headset for a secure hold. As an added convenience, the Thule 928XT frame adapter features easy-to-use push buttons that allow for quick mounting. This bike adapter bar is compatible with most strap and hitch mounted bicycle carriers. Modifies non-standard bike frames to be carried on hanging hitch and strap mounted bike racks Compatible with women's bike frames, BMX bikes, kids bikes and full-suspension bikes 360 locking collar design keeps bike secure Easy-to-use push buttons for quick installation and removal Telescoping design adapts to multiple bike frames styles and sizes Molded rubber pads protect bike finish Straight tube design keeps bikes securely centered and mounted on hanging-style bike carriers Adjustment range: 18" - 30. 5" Weight capacity: 50 pounds