How to shift gears in an 18-speed bicycle

I think others have rightfully pointed out all the technical details. As for most practical purposes, YOU DON'T!

Me and most of my friends have never really used more than 4-8 gears. 4 shifts will do if you don't like shifting gears in general, or you're gonna ride through a flat terrain. An enthusiastic rider would be happy with 8 gears and that's all that is needed 90% of the time.

If you came here asking this question, chances are you don't really need a bike with 18-speed setup. Go for a 6-speed. That should be good enough. 

How long after I bought my car should I wait till I get an MOT check done I have a Ford Focus?

That's not really how it works! There isn't a specific time you need to ‘wait' after buying a car, unless it is brand-new.Every car more than three years old needs an MoT test. If your car is brand new, you wait until it is three years old. (You'll get an advance warning that the

How to improve my math ability

Here is my top-10 list which applies to any level of Math.1) If you don't understand something, focus on mastering that topic before moving on to the next topic. It sounds simple, but it is absolutely essential. Lets say a student

Will Atishi win the East Delhi Loksabha constituency?

Let us look at numbers. In 2014, BJP got 5,72,000 votes, AAP got 3,81,000 and Congress got 2,03,000 votes (rounding upto 1000 votes). So BJP won by about 1,90,000 votes. For AAP to win,(the additional votes AAP gets + votes BJP loses) > (winning margin +additional votes BJP gets + votes AAP