Lock Ring Wrench 40-42mm – 255/2
Hook wrenches, as this is called, come in all sorts of sizes. Unior makes 14 of them to be exact. This particular one, sized for 40-42mm diameter lock rings, is perfect your fixed gear lock ring, some bottom bracket lock rings, and even some headsets.
- Use to remove or tighten lock rings on fixed gear cogs, bottom brackets and some headsets
- Works on 40-42mm diameter lock rings