Monday, July 13, 2009

Mountain Bike Gears Explained

Mountain bike gears are continually becoming more and more complicated and complex. Today's bikes can arrive up to 27 gear ratios. It is common for a mountain bike today to use nine gears on the back and three sprockets of different sizes in front for gear ration production.

Why so many gears? The most common reason is that a large number of gears allow a rider to pedal at the same pace no matter what land he is. Might be better understood if you think about a bike that is just a mechanism. Every time you turn the pedals one full turn, then the rear tires also becomes a full turn, too (1:1 gear ratio).

For example, your back tires are measured at 26 inches. If you pedal a full turn, then it means your tires moved 81.6 inches. If you are riding on 50 RPM, then you can go to 340 feet per minute. This means you go 3.8MPH, which is equivalent to a walking pace. It is important for the speed climbing a steep hill that, but this is not a good speed for flat ground or downhill racing.

If you want your bike to go quicker, then you need a different ratio. If you want to reach a speed of 25 mph downhill with a 50-RPM rhythm, then you need to have a 5.6:1 gear ration. If you have multiple gears on your bike, then you can get that ratio so that you can continue your pedaling a consistent pace, no matter what terrain you are or what your speed is.

A typical mountain bike with 27 gears will have six gears are incrementally so close to others that you can not determine with any discrepancies between the gears when you change them.

Most mountain bike Riders decide to choose a gear system with a front socket suitable for slope or ground that they usually ride on it and stay on these options, though it can be more difficult under a heavy load to shift the gears. This is a purely personal decision, but it is simpler to shift between gears when the socket on the back, rather than the front one.

When you are pedaling uphill, and then see that it is much better to select a sprocket smaller in front and then shift gears with nine gears available on the rear. If you are over the speed sprocket at the rear, and then see that it is better to ride.

Mountain biking gears needs so you can maintain an overall pace going. If you do not have gears, then you will find it difficult to build up any speed and you would find it almost impossible to pound your pedals for extra control. Gears help to move the pedals, and enable you to gain speed.

Andrew Caxton is a consultant who writes on many consumer topics such as bicycle for http://www.bikecyclingreviews.com. You can find more information and resources on mountain bike reviews at his website.

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