Restoration bicycle cranks. Why does a bicycle chain get stuck ?

How often does it happen to you that the chain on your bicycle gets stuck or jams?
This is due to the wear and tear of the bicycle cranks.
In this video tutorial, I will show you how to restore bike cranks.
After these steps, your chain will no longer bite.
In this video, there will be an example of an electric bicycle, where the load on the drivetrain is much greater than in a regular bicycle.
I'll show you how to remove bicycle chainrings from cranks. We will clean and restore cranks.
Let me remind you that this work was supervised by a quality control representative in a bicycle workshop!)
Enjoy watching.

00:00 Why does a bicycle chain get stuck?
00:19 How to remove the protective shield from bicycle cranks.
00:38 How to remove cranks from an electric bike.
01:24 How to remove bike chainrings.
02:25 That's why bicycle chain jam.
02:59 How to clean the bottom bracket on an electric bike.
03:51 Washing the visor bicycle cranks.
04:56 How to wash bicycle chainrings.
05:37 Burrs on the teeth of bicycle gear sprockets.
05:56 Restoration bicycle cranks.
07:58 How to install bicycle cranks.
09:09 How to install a protective shield on bicycle cranks.