US Patent Protective: Our hitch bike rack features a US-patented base lock design. Secure your rack to the car by tightening the knob, ensuring peace of mind during breaks. This sturdy 27-pound rack can support up to 165 pounds and holds 2-3 bikes Double Secure: The 2.0 hitch bike rack includes a base lock to secure it to your vehicle and an integrated cable lock to fasten your bike. This dual-layer protection guarantees maximum security and peace of mind Quick Setup & Wobble Free: This rack comes pre-assembled and it only takes 3 bolts to finish assembly. It's got an integrated hitch pin and rubberized cradle to reduce the wobble. It's designed to fit a 2-inch hitch receiver Folding and Tilting Feature: This bike rack has a pull pin in the back that allows you to fold down the rack for easy storage when not in use. The rack could tilt away by turning the red knob behind the rack so you could get access to the rear Adjustable cradles for wider accommodation: The ratchet zip straps secure the bike frame in its cradle. The 360° rotating cradle and 3.2'' spacing accommodate various traditional bike frames, preventing them from banging into each other Adapter Bar for Some Bikes: Certain bikes (e.g., women's, children's, step-through, dual-suspension) may require an adapter bar for horizontal mounting Note before Purchase: This bike rack fits for 4 bikes sharing the same type other than various types for better alignment. If the bikes are of different types, then it will require some position modification to load 4 bikes