The best roof bike racks are among the most affordable ways to safely transport your bike , especially if you already have a roof rack on your car. Most roof-mounted carriers clamp securely to your car’s factory rack or aftermarket crossbars, so they're easy to set up. And most are relatively light, so they won’t weigh down smaller cars like a hitch bike rack can. Because bikes are on individual mounts on a rooftop rack, there's less of a chance bikes will bang in...
