- 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.