The SportRack SR4611 Upright Locking Rooftop Bike Rack allows you to take your bikes to those great outdoor trails safely without scratching your car or bike. The universal mounting system with large wheel trays allows this bike rack to mount directly to virtually all factory rack crossbars, Thule and other style of crossbars with a 3.5-inch max diameter. The fully padded, clamping jaws won"t impact your bike’s frame, fits 1-inch to 2.5-inch diameter and elliptical bike frames and is compatible with just about any bicycle size and shape (BMX bikes, kids, women"s, hybrids, road bikes and mountain bikes). The adjustable locking cam system and interchangeable lock keeps your bike securely fastened so that it won’t slip or fall off your car and the large overlap on the bike frame provides extra security. The SportRack SR4611 Upright Locking Rooftop Bike Rack is a complete bicycle carrier system that includes an instruction manual, universal mounting roof rack crossbar hardware, super-strong, no-stretch velcro wheel straps and lock and key. This rooftop rack measures 32.5-inches (L) by 10.5-inches (H) by 2.8-inches (W), weights 9.8-pounds and holds up to 45-pounds. The SportRack SR4611 Upright Locking Rooftop Bike Rack comes with a limited lifetime warranty. The SportRack is a brand of the Thule Group. Started in Granby, Quebec, Canada in 1980, SportRack’s historical line of “easy- on/easy-off” products has continued to this day. SportRack offers a vast array of multi-sport roof rack systems and accessories, hitch-mounted products, cargo boxes and truck-mounted racks for the active family looking for quality products at a great value. Backed and tested by Thule, a global leader in automotive racks, these products carry a limited lifetime warranty. SportRack – Play Outside!Â