YTS1017 Features: * Carrier * Aluminum wheel rail is compatible with mountain bikes and road bikes * Key lock system that locks the bike to the carrier * Adjustable frame clamp automatically wrap around the down tube to hold the frame precisely * Set up and installation in minutes * Universal fit on all cross bars (oval, round, square and factory) * Fits most model vehicles (sedan, hatchback, minivan and SUV) * Fits bike frame up to 3 3/8" tube diameter * For dependable stability in transportation * Capacity to carry 3 bikes Assembly Instructions: * No assembly Dimensions: * Dimensions: 58" H x 8" W x 24" D