Pioneer Platform Side Rails are sturdy and enable increased security when transporting your gear. The Side Rail Kit is designed to allow flexibility when configuring your mounting format. The rails are able to fit in the C-Channel to best suit your load carrying needs. No matter whether you're on road or off it, Rhino-Rack keeps your gear secure. Suitable for the 42102B, 42103B, 44102B, 44103B Pioneer Platforms.