Thule Big Mouth
Thule's Big Mouth is a roof mounted bicylce carrier with self-adjusting jaws that automatically wrap around the downtube for precise frame hold.
Load capacity: 1 bike
Rack requirements: fits square and round bars; adapter needed for factory or Aero bars
One Key System: compatible
Fits: fits frames up to 3 3/8" in diameter and tires up to 2.6" wide
Model number: 599XTR