Hook any funky-top-tubed bike to a mast-style hitch rack with the TubeTop. Installs quickly and securely to seat post and stem to create a faux-top-tube so your bike mounts solidly to the rack. Large molded collars are gentle to your bike's finish. 45lb capacity.

• Adapter that makes your bike compatible with most mast-style hitch racks
• Installs quickly and securely to your seat post and stem to adapt a wide range of bikes for transport
• Keeps your bike mounted solidly on single and dual arm mounts
• Oversized diameter tubing and anti-rotation inserts for greater stability
• Large molded collars are gentle with your bike stem and seat post
• Bike Capacity: 1 bike weighing up to 45lbs.