Tubetop - Installs Quickly & Securely On A Wide Range Of Bikes

If your top tube is funkier than a disco bassline, don't fret. The tubetop makes your bike compatible with any hitch mount. Installs quickly and securely on a wide range of bikes. Keeps your bike mounted solidly on single and dual mast mounts. Larger diameter tubing and anti-rotation inserts for greater stability. Larger molded collars are gentle with your bike stem and seat post.