The slanted top tube is great until the bicycle needs to be placed in the back of the car. Slide this telescopic tube between your seatpost and stem, and your bike will hang on most racks...! This bicycle frame adapter rod is exactly what you need to carry a ladys bicycle, a replacement bicycle, an oversized bicycle or a childrens bicycle on the bicycle rack. The frame adapter rod can be installed at the push of a button. It connects to your bicycle seatpost and handlebar, and provides a horizontal rod so that it can be hung on the bicycle rack. The Bar adapter can be used with oversized bicycle frames, children's bicycles and most ladies' bicycles. feature: Create top tubes for unconventional bicycle framesUse with "hanging" type bicycle racksQuick and easy installation/removalCoated hooks are gentle on the finish of your bikeIt is very suitable for children's bicycles, women's bicycles and inclined down tubes. Attach to your bicycle seatpost and handlebar postProvide a horizontal bar for grabbing the bike rack Specification: Colour: BlackMaterial: SteelCarrying capacity: 50KgProduct size (length x width x height): 65 x 10 x 3cmPacking size (length x width x height): 65 x 10 x 3cmGross weight: 1Kg Package Contents: 1 x Bicycle handlebar adapter