and you own a 200cc bike.. This is something..Not being rude, but please try to read some books and increase your knowledge regarding this. We can offer our help to the people who know something in the first place, but we can't make you understand through forums when you don't know these simple things.
A request to you mate, google these things and try to learn about them
disc brake are hydraulic brakes and work on the principle of fluid pressure. This fluid is used for that.


old one..


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