Discover unmatched versatility and rugged reliability with the Yakima 55 by 49 Inch LockNLoad 3-Bar System Heavy Duty Roof Rack Platform.Tested in the harsh terrain of the Australian Outback, this system is engineered for adventure. Attach it easily to your roof rack s crossbars using LockNLoad crossbar clamps (sold separately) or mount it to TimberLine or SkyLine towers with the LockNLoad Sl adapter (sold separately). Crafted from durable aluminum with a textured black powder-coat finish, it delivers long-lasting performance and a sleek appearance. The side-to-side slats mimic crossbars, simplifying the mounting of gear like bikes, kayaks, and skis.With integrated T-slots in every slat and outer frame, securely attach T-slot and LockNLoad accessories. The off-road rating ranges from 165 to 330 pounds (depending on vehicle fit and roof type), ensuring your gear stays secure.