>>1666715I already told you
another anon repeated it.
You want more detail? Here's what i'd suggest, for almost every bolt on a metal bicycle that is a few years old.
pour a tiny bit of kerosene in a small bowl/cup. Dip a rag in it. Hold the bolt head in your fingers, and put one of your nails in the threads, with a damp rag between. Spin the rag through the threads until they're clean. If this doesn't work, you could try scrubbing the threads with a toothbrush dipped in the kerosene. Then repeat, drying the threads with a dry part of the rag. Dab a tiny bit of grease on your fingers, and run the thread through your fingers with the grease on them. Excessive grease is always bad as it attracts dirt, so be tidy about cleaning it where it shouldn't be.
Reinstall.
This will keep all your bolts from seizing and subsequently stripping the heads trying to remove them, or making noises that can be impossible to trace. It's especially important for pedal threads.
The other thing you do this cleaning and light greasing, are mating surfaces. Where the handlebar clamps, and your seatpost.
This is one of the fundamentals of bicycles.
