Because lubricating a chain protects it from rust, and make the metal parts move easier against each other. Slicker movements makes for less energy lost.
if you don't keep your chain and gears on your bike greased it will rust and come off.
One can go to a near bike repair shop or a bike selling shop to fix a broken bike chain. In addition, one's peers might know how to fix a broken bike chain.
Well, if you get anything stolen from you, contact the police. If it is just a bike chain, I think you can just buy another one, unless it was a very valued bike chain.
Metal,
Usually not. Some car engines use a chain for the valve timing, but it's quite different from a bicycle chain. Cars that have electrically opened doors may have a chain quite similar to a bike chain in that mechanism.
A clean bike chain is essential for a smooth and efficient ride. Here are the steps to clean your bike chain properly: Remove: If your chain has a master link, you can easily detach it from the bike. If not, you can use a chain tool to break the chain at any link. Degrease: Use a degreaser spray or a solvent to soak the chain and dissolve the dirt and grease. You can use a brush or a rag to scrub the chain gently. Rinse: Use water to rinse off the degreaser and the dirt from the chain. Make sure the chain is completely clean and dry before reattaching it to the bike. Lubricate: Apply a thin layer of lubricant to each link of the chain. Wipe off any excess lubricant with a rag. Lubricating the chain will prevent rust and reduce friction. By following these steps, you can keep your bike chain in good condition and enjoy a better riding experience. These were the simple steps to clean your bike chain.
with alot of skill ....
chain
chain it
inox or chain lube from a bike shop
to make it run smoothly, stop it from rusting and it makes it easier to pedal! If it isn't oiled or lubricated in any other way, all the parts that make up the chain will drag more as they move against each other, making pedalling harder. The chain will also wear out quicker. If it isn't oiled or greased the chain will eventually begin to rust, and rusty parts take even more power to get them to move against each other.
Typically the size of a chain on an adult bike should be one 16th of an inch or less. It is recommended to replace the chain on your bike if it exceeds one 16th of an inch.