This easy-to-use locking bike carrier from Rugged Ridge carries 2 bikes. It mounts to any spare tire mounting studs. 2 keys included. This easy-to-use bike rack mounts to any spare tire mounting studs. The bike rack carries 2 bikes directly off the spare tire. It is constructed of 2 inch powder coated steel tubing for maximum rust protection and durability. The bike clamp feature rubber pads to protect your bike's finish. The carrier comes with 2 keys for the locking mechanism. Fits wheel offsets from 2-5/8 to 6 inch.