This Yakima Top Tube Frame Adapter allows you to transport your step-through bikes on your vehicle rack. 

• 14 at its shortest, 30 maximum
• Installs quickly and securely on a wide range of bikes
• Keeps bike mounted solidly on single and dual mast mounts
• Larger diameter tubing and anti-rotation inserts for greater stability
• Molded collars are gentle with bike stem and seat post
• 3.5lbs