Sloping top-tubes are great, until its time to transport your bike on the back of your car. Slip this telescoping tube between your seat post and stem and your bike will hang on most racks! This bike-frame adapter bar is exactly what you need to carry a woman's, alternative, oversize or child's bike on your bike carrier. The frame adaptor bar installs with the push of a button. It attaches to your bike's seat post and handlebar stem post, providing a horizontal bar so that it can hang on a bike rack. The Bar adaptor can be used with oversize bike frames, children's bikes, and most ladies bikes. Features: Creates a top tube for non-conventional bike frames For use with "hang-on" type bicycle rack Quick and easy to install/remove Coated hooks are gentle to your bikes finish Ideal for kids bikes, women's bikes and sloping down tubes. Attaches to your bike's seat post and handlebar stem post Provides a horizontal bar for the bike rack to grab Specifications: Color: Black Material: Steel Load Capacity: 50Kg Product Dimension (L x W x H):65 x 10 x 3cm Package Dimension (L x W x H):65 x 10 x 3cm Gross Weight: 1Kg Package Contents: 1 x Bike Bar Adapter