Park Tool 471XX Oversize Threaded Hook 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 471XX Oversized hooks are designed to do just that and will fit large mountain bike tires or tall aero rims. With an inside width of 125mm and a height of 150mm you'll be storing those bikes with odd sized wheels with no problems. Features Wood screw thread is nominally 11. 4mm outside diameter (15/32") with 7 threads per inch Use a minimum of 11/32" drill size to pilot wood hole Blue vinyl coated Manufacturer's Part No: 471XX UPC: 763477009050 | Park Tool | 471Xx Oversize Threaded Hook Blue