1-¼” receiver. Unique lighter-weight 2-bike rack with wide rubber supports for the crossbar. Has been adapted for car use with a 1-1/4” receiver package. Mast folds down to access tailgates. Includes optional StrataLock 2-lock set and 2 same-keys for: (#1) locking the rack to vehicle and (#2) bikes to the rack. Value of the receiver lock #1 alone is over $50. Excellent condition with 4 unused bike cradle straps (not shown). Not answering is it available. From Yakima: Durable BedROC cradles with wide, soft padding, protect your bike's paint finish and can be adjusted to allow room for each bike. Folds down smoothly for easy access to the rear of your vehicle. Heavy-duty steel construction and anti-wobble hitch design for years of use down the road. StrataLock system (sold separately) locks bike to mount and mount to receiver. Can be expanded to carry up to 4 bikes with extra BedROC cradles, sold separately.