Park Tool 451-2 Wood Thread Hooks If you are anything like us, you have too many bikes in your garage. A great way to make room for more is to hang them up from ceiling. The Park Tool 451-2 Wood Thread Hooks are designed to do just that and will fit a standard sized mountain bike or road wheel. With 44mm length of machine thread and a scratch preventing vinyl coating, you'll be storing those bikes with no porblem at all. Features Vinyl coated Wood threaded Sold in Pairs Manufacturer's Part No: 451 UPC: 763477009012 | Park Tool | 451-2 Wood Thread Storage Hook | Blue | 2 Pack