| The joy of the mountain bike is that they
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| | level, off road riding (2), and the
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| come with so many gears that, if you
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| | third, or largest chain ring, is good for
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| shift into the lowest one, you can ride
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| | riding on pavement.
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| up a mountain with no problem. It may
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| | So if you want to use just those three
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| take you all day, but you can do it.
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| | gears, you can certainly do so. But,
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| It's been a long time since the
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| | using the right hand shifter, you can
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| "10-speed" bike was the ne plus ultra of
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| | take advantage of the increments of gears
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| biking sophistication when it came to
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| | available to you.
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| gears. These days, especially in mountain
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| | Rear Derailleur
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| bikes, you can get anything up to 27
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| | The back chain ring is a cog set
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| speeds.
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| | featuring seven, eight or nine cogs,
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| What are all these gears in aid of? Quite
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| | depending on how many "speeds" you have
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| simply, they allow you to pedal at the
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| | (21, 24 or 27). Each cog is of a
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| same cadence - regardless of whether
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| | different size, and again, the smaller
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| you're going uphill, downhill, or cross
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| | size cogs will enable you to pedal very,
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| country.
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| | very easily - but not go very fast, while
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| However, the main reason why mountain
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| | the larger size cogs will allow you to go
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| bikes have so many gears is to assist you
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| | further with each downward stroke of the
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| in climbing up those mountains!
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| | pedal.
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| The main thing to remember when shifting
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| | The best thing to do is to practice,
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| is that you must always shift while
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| | practice, practice. Take your bike to a
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| pedaling, otherwise you'll strip the
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| | parking lot or somewhere where you don't
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| gears.
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| | have to worry about people, and shift
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| Front Derailleur
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| | from one gear to another, getting used to
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| The gears are divided into two parts.
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| | each one and how easy or difficult it is
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| There are three chain rings in the front,
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| | to pedal while in that gear.
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| which are controlled by the left hand
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| | People new to biking might be rather wary
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| gear shifter. That's why there are 3
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| | of shifting gears. Shifting always was a
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| numbers to choose from on that gear
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| | bit problematic during the "old days" -
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| shifter - to choose which of three front
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| | when one only had a pair of center
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| rings your chain will rest on. The
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| | mounted levels to work with, but now gear
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| "derailleur" attached to the gear shifter
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| | shifters - the twist type - are so easy
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| moves the chain from one ring to another.
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| | to use that there is no reason to be
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| When the chain is on the smallest of
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| | afraid of shifting. Again, as long as
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| these three chain rings (1), pedaling
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| | you're pedaling while you shift, you
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| will be very easy. This is called the
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| | won't hurt the gears.
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| granny gear. The second chain ring is for
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