A cone wrench is a tool used in bicycle maintenance to access flats on axles where very little of the axle is exposed. It is similar to an open-ended wrench but much thinner: typically about 2 mm thick, compared to approximately 7 mm for a standard open-ended wrench.
- Brown, Sheldon (1982-08). "Tool Tips: Cone Wrenches". Bicycling. Retrieved 2009-07-10. Check date values in: