Full Description

Thule Upright 599XTR Big Mouth, the upright bike carrier that sets the standard for bike carrying flexibility� and ease-of-use�. Worry-free automatic self-adjust�ing jaws for perfect bike clamping every time. Accommodate�s bike frames up to 3-1/8 inch diameter. Dual- locking design locks bike to carrier and carrier to rack. clamps to all cross bars.