Post Adaptor Sleeve Set$5.95 A full extra set of adaptor sleeves. 4 each of 1/2″, 12mm and 14mm sleeves and an additional measurement card. This is the same set that comes with the Rack kit. Post Adaptor Sleeve Set quantity Add to cart Category: Accessories & Replacement Parts Related products Storage Bag $14.95 Add to cart Replacement Post $8.95 Add to cart Protective Cover Set $19.95 Add to cart Standard Strap Set $17.95 Add to cart