If you are looking for a safe secure way to travel with your bike this roof bicycle carrier is the one for you. This bike roof rack is made of high-quality aluminum alloy material which is anti-rust and suitable for outdoor use. Both wheels quickly strap in for a safe and secure ride atop your vehicle to wherever you're headed. The upright free adjusting arm can be connected to the bicycle lower tube to give maximum support to the bicycle. The anti-theft lock helps you transport your bicycle conveniently and safely. Whats more this bicycle rack allows you to load your bicycle directly onto the car eliminating the trouble of removing tires. If you are looking for roof bicycle carrier buy now and take your bike on the trip! --Made of high-quality aluminum alloy material with anti-rust characteristics --With a load-bearing capacity of up to 33 lbs --Tie-down straps can be adjusted according to different wheel sizes --Ensure the bicycle can be quickly fixed on the bike roof rack --Theft-proof lock helps to ensure the safety of bicycle transportation --Upright free adjusting arm gives a maximum support to the bicycle --Hold the bike in place without removing the wheels --Equipped with T and U bolts for two installations