I bought a bike like this before, turned out the headset threads had stripped. Clean the fork threads up and try a different locknut. May find it will fix it. You don’t really want any grease on those threads, just a small amount, not the amount currently on there.
I bought a bike like this before, turned out the headset threads had stripped. Clean the fork threads up and try a different locknut. May find it will fix it. You don’t really want any grease on those threads, just a small amount, not the amount currently on there.