Premium range of carriers designed for the discriminating consumer. Great style, unsurpassed versatility and ease of use set these products apart from the rest of the market.New foot packs are designed to work exclusively with rapid aluminum load bars. All the great features of corresponding, industry leading foot packs 400XT, 430, and 450. Seamless look achieved with integrated foot and rapid aluminum load bar. Product range fits more vehicles than any other rack manufacturer. No disturbance in fit kittracker kit inventory as 400XTR430R work in conjunction with existing kits. Rapid aluminum load bars offered in three sizes for optimal fit on any vehicle. Customize rack with any Thule accessory Xadapt kit required for certain accessories. Not compatible with the 477 Short Roof Adapter.This will limit the use of some accessories that require a wider barspread.