The Yakima EXO TopShelf is a great way to multiply your capacity for any outdoor excursions. Cater to your adventure by mix and matching EXO accessories with the EXO TopShelf. Make going outside easier and more fun with the EXO TopShelf from Yakima. Bolts quickly to the middle of the EXO SwingBase and allows for a second level of gear storage., Rotates 180 degrees relative to the EXO SwingBase for lower tier access & base camp mode., EXO Cleat System- allows the gear mounts to be easily interchanged without the need for tools. This is all done by two locking SpeedKnobs on each side of the articulating arms., 130 pound weight capacity (accessory plus gear)., Locks to rack and locks accessories. Includes extra locks for future accessory purchases., Model Year: 2021, Product ID: 900065, Model Number: 8002716, GTIN: 0736745027162