+3 BACK FRAME ASSEMBLY - VANTAGE 84507521 $220.00 In stock Quantity: 1 Add to Bag Product Details UPC: 792176969471 Brand: Hobie Part #: 84507521 Hobie Vantage Seat Vantage Back Frame Assembly Replacement back frame assembly for Hobie Vantage kayak seat. Save this product for later Favorite