Saris Superclamp G4 4-Bike Hitch Rack Four bikes, zero hassle. The Saris Super Clamp G4 is a capable, versatile 4-bike hitch rack built for riders who need a dependable, no-fuss transport solution for the whole ride crew. Aluminum construction keeps the rack lightweight at 80 lbs while delivering the durability and rust resistance needed for years of use. A tool-free anti-wobble system locks the rack rock-solid to the hitch receiver, and the spring-loaded arm holds bikes securely in place even in the event of tire pressure loss. Zero frame contact means no scratches, scuffs, or worries regardless of what you're loading. Fender and e-bike friendly, with a fold-and-tilt design that allows rear vehicle access without removing bikes. Features Zero frame contact design secures bikes by the wheels only, eliminating any risk of frame damage or scratches during transport Spring-loaded arm keeps bikes held securely in place even if tire pressure is lost during transport Tool-free anti-wobble system delivers a fast, rock-solid connection to the hitch receiver with no tools required and no unwanted sway Fender and e-bike friendly with a fender-friendly arm design and support for bikes up to 60 lbs on inner trays and 35 lbs on outer trays Adjustable front wheel block accommodates bike wheels from 20" to 29" in diameter and tires up to 4. 5" wide Fold and tilt design allows full access to the rear hatch, tailgate, or trunk without removing bikes from the rack Compact folding for storage collapses down to reduce its footprint when not in use Integrated locking system secures bikes to the rack and the rack to the vehicle Lightweight aluminum construction is durable, rust-resistant, and built to last SPECIFICATIONSBike Capacity4 bikes Max Bike Weight60 lbs each (inner trays 1 & 2) / 35 lbs each (outer trays 3 & 4)Max Tire Width4. 5"Wheel Size Compatibility20" to 29"Max Wheelbase52"Hitch Receiver Size2" only Rack Weight80 lbs Material Aluminum / Steel Integrated Lock Yes E-Bike Compatible Yes Hitch Access Yes (fold and tilt)RV Compatible No | Saris | Superclamp G4 4-Bike Hitch Rack Folds & Tilts, 2In Receivers Only