Product Details Brand: ROCKBROS Material: Aluminium + Rubber Colors: Red/Black/Silver Weight: Front: approximately 215g Rear: approximately 142g Size: 16.584cm Features Compact and Practical The roof luggage carrier is small and can effectively reduce wind resistance. Alloy Material The alloy material is hard, pressure - resistant, safe, and stable. Easy Installation Attach the front roof rack to the luggage rack. Mount the bicycle front axle on the roof luggage carrier. Place the rear - wheel spacer on the luggage rack. Secure the bicycle rear wheel. Fasten the pedal with the Velcro strap to avoid scratching the paint. Attention Please provide your own luggage rack.