Car roof luggage rack car crossbar, robust, beautiful, high-quality, windproof design, aluminum alloy travel car bike rack, roof racks for transporting your gear safely, easily, and in style, fit 35.8''-50.4'' span across. Universal, fit both raised and flush roof rails. Featured 4pcs premium locking set for anti-theft, 2 keys included. <br> Easy to install, install the bars directly on the roof rails. You can quickly access the T-slot by opening the plug lid instead of removing the whole thing like others. Featured 4pcs premium locking set for anti-theft. The rack weighs only 9.7lbs but has a max load capacity of 200lbs.<br> The fully enclosed windproof rubber strip and streamlined design eliminate wind noise or vibration and reduce air resistance by 55%. The matte paint surface makes the appearance more fashionable and sporty.<br> Tips:Install the roof rack cross bars, keeping a distance of at least 700mm between the two roof rails. Check that the load carrier is sitting securely on the roof. Then cut a rubber strip of appropriate length and place it on both sides of the slide lock. <br> Universal and adjustable car cross bar. Suitable for raised and embedded roof rails, automatically and firmly grasp the track, expand the clamping range, and enhance the clamping force.<br> MKING roof rack rails are designed with universal hook feet, which are suitable for most SUVs or vehicles with raised side rails. This Ideal crossbar is very suitable for loading luggage, snowboards, bicycles, kayaks, snowboards, surfboards and other roof accessories.