Features: Universally Roof Rack Bike Wheel Adapter Cushion offer secure protections for racks with soft plastic construction to prevent scratches during transport. Double cushion pads with 1 inch strap compatibility ensures a snug fit, reducing friction between steel rings and bike frames for long lasting durability. Designed for cycling enthusiasts and families requiring multi bike transportation solution on roof mounted racks during road trips or daily commutes. Essential for safeguarding bicycles on racks during country adventures, urbans cycling tours, or family outings with multiple bikes. Optimizes bike transport safety through shock absorbent plastic materials and universally compatibility, ensuring wheel alignment stability across various vehicle roof rack systems. Specifications: Component: Plastic Type:2Pcs Bike Wheel Adapter Cushion,4Pcs Bike Wheel Adapter Cushion,2Pcs Plug Package Includes: 2/4Pcs Cushioning Pad or 2Pcs Plug note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.