Allen Sports High Capacity Locking Premier 2-Bike Model for Electric Bikes, Model QR520EB, Black, (QR520-EB)Locking hitch insert fits 2" receiver hitches Capacity: 2 Bikes at up to 70 LB per Bike Patented, quick install hitch insert secures and tightens rack inside of receiver hitch; includes two keys. Quick fold carry arms drop out of the way when not in use International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.