RockyMounts PitchFork Silver Designed and tested to fit Thule (square) and Yakima (round) crossbars Stainless steel, long-throw, lockable quick-release makes loading bikes easy and fast Compatible with disc and standard brake systems Holds skinny road tires to 2.7" mountain bike tires Securely lock your bike to the rack and the rack to your car with Rocky Mounts lock cores (sold separately) Please refer to secondary image for fitment (for reference only, sizing may vary per usage)