NRS Bighorn I Raft Frame Aquabatics Smithers Bighorn II Raft Frame 15' Saturn Whitewater Raft with NRS Bighorn II Frame YouTube NRS Bighorn I Raft Frame Aquabatics Smithers. The NRS Bighorn II Raft Frame is our most popular 4 bay frame for boats 14' and longer. Its size and adjustability enable you to carry all the gear needed for multi day trips. Four 9' NRS straps and eight strap slides are included for securing your cooler or dry box. Like all NRS frames, the Bighorn breaks down into a small bundle for easy transport. Seat, four crossbars, foot bar and oar mounts included. Cooler and drybox sold separately. Can be customized with any NRS frame accessory to fit your specific needs. Modular Anodized Aluminum Frame New, lighter weight design with hot forged aluminum LoPros and oar towers Includes: Side Rails, Universal Seat Mount, five Cross Bars, Foot Bar, Low Back Seat, 8" Oar Mounts, four 9' NRS Tie Down Straps, eight Strap Slides. DLX Model includes an additional crossbar and Deluxe Footbar in place of the standard foot bar Hoop Model includes a Coyote Foot Bar in place of the standard foot bar.??