Barbell Sleeve Adapters: Best Bang for Buck Options on The Market
Amazon.com : Body-Solid Olympic Barbell Adapter Weight Sleeve (OA8), Converts 1" Standard Plate Posts To 2" Olympic, Includes Hex Bolt Lock-Down, 8 inch Long : Computer Parts And Accessories : Sports &
Barbell Bar Adapter Sleeve Convert 25mm Bar or Posts to 48/50mm Includes Removeable End Cap for Longer Posts Gym Accessories
Amazon.com : LAVVON Olympic Adapter Sleeve (2 PCS), Converts 1" Standard Weight Plate Posts to 2" Olympic Weight Plate Posts, Suitable for 1" Standard Barbell Bars, Heavy Duty Nylon and Removable end
Body-Solid Olympic Adapter Sleeve - 14 Inch OAS14 – Bodytrading.com