Thule 450R Rapid Crossroad, a part of the Thule Rapid Aero System • A versatile rack system and ease to use • Built-in tool for easy installation and removal • Rubber coated steel strap secures foot to siderail • Designed to work with Rapid Aero and AeroBlade load bars • Sleek & seamless look achieved with integrated foot and Rapid Aero or AeroBlade bars • Product range fits more vehicles than any other rack manufacturer • Includes 4 Thule Rapid Aero end caps • Xadaptors may be required to mount some accessories • Customization possible with any Thule accessory