This Bike Rack Fit most car Roof rack. The lockable bicycle rack - The aerodynamically formed aluminium profile offers a secure and stable platform for your bicycle. The bicycle frame can easily be secured using the frame holder made from powder-coated steel. Suitable for transportation of bicycle frames up to 100 mm in diameter (oval 80 x 100 mm, round 22-80 mm) and a tyre width of up to 63.5 mm (2.5"). The distance between the clamps that connect the carrier to your roof racks can be adjusted to suit the spacing of your roof racks. Maximum width - 90mm. Features: Light & Strong Aluminium Alloy frame Adjustable wheelbase to accommodate virtually any size of bike Easy Installation & Removal Adjustable mounts to accomodate roof bar spacing Adjustable arm holds the down tube of the bike for greater stability Lock included to secure the bike to the carrier Specification: Colour:Black+Silver Material: Aluminium Alloy+ Plastic Maximum load: 20kg Product Dimensions:L140cm Package Dimensions:L141 * W32.5 * H9.5cm Weight:6kg