The Thule Upright Big Mouth Bike Carrier is known as the bike rack that sets the industry standard for bike carrying flexibility and ease-of-use. This bike carrier features worry-free automatic self-adjusting jaws so you can be assured your bike is perfectly secured every time.
Accommodates bike frames up to 3-1/8 inch diameter.
Dual-locking design locks bike to carrier and carrier to rack
Requires cross bars.
For Gladiator JT, Bed Side Rails 82215956 and Bed Cross Rails 82215631 are required for installation and are sold separately.