How to diagnose and fix strange noises coming from your bike?

Handlebar noise:

If you hear a clattering sound when you crank the handlebars, it could be that the acoustic foam inside isn't laid down properly, or the connection between the frame and the fork needs a little extra interfacial grease added to it.

Disc rattles:

If you hear an abnormal sound coming from the disk, it can be determined that it is disc brake rubbing in abnormal noise. This may be in the process of transportation, the bike in the package inside the collision caused by, just need to slightly bend the disc part of the broken back to the original can solve the problem.

Chain rattles:

If you find that the chain and the front derailleur are sticking together and making a noise, it can be determined that the chain is rubbing on the front derailleur, which can also be caused by a collision during transportation. In this case, you need to try to go to a bike store for a tune-up.

There is also a chain rattle where the rider is not shifting, but the chain jumps teeth in the cogs on its own. You can go to a bike store and describe it to the mechanic as such, and it is caused by the rear derailleur shifting inaccurately and needs to be adjusted slightly.

Seatpost rattles:

If you find that rattling occurs while sitting on the bike during a ride, but when you stand up to ride the bike, the rattling is gone. It is recommended that you can ask a mechanic to help check if the seat tube is rubbing against the holes inside to produce the rattle.

Conclusion:
Quickly fixing bike noises can save you time, money, and potential safety issues. By following these tips, you will ensure a smoother, quieter ride. If you're not sure if you need repairs, visit a professional bike store for help.