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Bike Road Caliper
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Sometimes it seems like there are more brake systems in the mountain biking world than there are types of bikes. But in spite of all the brands, descriptions and models you'll see there are really only two basic types.
Rim Brakes
Rim brakes have been around for over 100 years, when metal bicycle wheels first become widely used. But even though they're over a century old, they're still the most common design.
Rim brakes work by having a pair of pads, usually some type of synthetic rubber, squeeze the metal rim of the wheel. The pads are generally actuated by a hand lever on the bike. Rim brakes use a simple, low-cost design that is quite effective, but there are a few drawbacks to them.
If the bike is travelling at high speed, it can take a lot of force to slow it down. And it can also be hard to slow it down quickly, especially on a mountain bike which is often travelling downhill.
Another problem with rim brakes is that they often squeal. Because there is a lot of friction between the brake pads and the rim, it can cause the metal to vibrate which results in the squealing sound. This is obviously not a problem that can be solved with a little grease! As a matter of fact, even mud or water - both of which are common when mountain biking - can decrease the effectiveness of rim brakes.
Brake pads also tend to wear out quickly when used regularly, so they will need to be replaced on a regular basis. Pads are available in harder and softer materials. The softer pads have more braking power, but wear out faster, while harder pads will last longer but require more hand pressure to slow the bike down.
Disc Brakes
Disc brakes overcome most of the problems that are associated with rim brakes. They still work by having calipers squeeze against metal to slow down the bike, but the metal is not the wheel itself but a disc that is attached to the wheel. These type of brakes use the same principles as disc brakes in a car.
Cost, weight and other issues kept disc brakes from becoming widely used on mountain bikes for a long time. But as the technology improved, this has become less of an issue. And with the cost of a good mountain bike being quite high already, the cost of the brakes relative to the bike overall is really not that great.
Disc brakes will work in almost any environment. Mud, water and even snow or ice don't lessen the braking power. And because the discs are close to the axle at the center of the wheel, they don't come into contact with as many environmental materials anyway.
Because disc brakes have a larger surface area, along with higher friction materials, they give the rider more braking power, keeping them safer overall.
Scot Miller writes about mountain bike ratings and other related topics at the MountainBikeBrands.com website.
Click here for more helpful information and to enter our free draw for a multifunction bike tool: Mountain Bike Brands
Bmx Bikes – for Those Who Like to Live on the Edge
BMX Bikes are specially designed bicycles for racing on sandy and hilly tracks. Apart from racing on hilly terrains, BMX bikers also perform tricks on flat grounds, wooden ramps and trails.
Earlier, bikes were manufactured with an assembled frame and fork, with two wheels and a seat. BMX bicycles originated in the state of California in the late 60’s but it was not before the beginning of 1961, that the bikes achieved popularity, and the manufacturers began to produce BMX bicycles frequently.
BMX tricks and stunts are now very popular among the teenagers. There are numerous clubs and organizations where people can come and try their hands out on the BMX bicycles and practice the skills and tricks. With these early practices, the young bikers get acquainted with the probable problems that may occur during the ramp performances.
BMX tricks are not at all easy for any biker. The stunts are quite tough to perform. You should undergo tough rehearsals, in order to get fully ready. Some of the difficult tricks are like standing on the front pegs, and spinning the rest of the bike around. The skillful bikers can even summersault in air. So, these are tricks that can be gripped after a long practice session.
While riding the BMX bicycles, you would need ample of protection. You must protect your elbows, knees and most importantly your head with the helmet. If you are interested in having a primary look at the toughest BMX competitions, then the X games on various sports channels can help you out.
The Designs Of BMX Bicycles
The main features of a BMX bike:
1. Straight tubes
2. Gusseted frames
3. Reinforced handlebars
4. Powerful mag wheels
5. Long crankarms
6. Steel rims
7. Coaster brakes
The BMX bike producers manufacture bikes with light body. The body of a BMX bike is made of aluminum or chromium and molybdenum for frames and steel for the rims. Aluminum is also used for rims, freewheels and caliper brakes. The 24-inch versions of BMX bicycles are called ‘Cruisers’.
The frames on BMX bicycles are made to be very light and maneuvered accordingly, so that it can weather the blows while racing and jumping. Moreover, a light bike can save your minutes, in a close fought BMX race.
The tiers of BMX bicycles are quite different from the road bikes. They are knobby with excellent traction and power. Another aspect that distinguishes the BMX tires from the others is the construction of their wheels. Generally the rims are of 20 inches, but there can be different sizes too.
Sometimes the BMX bicycles fall hard on the ground; that is why, the manufacturers have introduced ‘Cro Moly’ tube sets to the BMX bicycles. A BMX bike with smaller gear set-ups reduce the weight of the bikes by using chain rings, smaller rear drivers, and shorter chain length.
Sales of BMX bicycles are much higher than the other ones. Bikes can be seen with every fashionable bike rider, on sidewalks and in their natural habitat. Instead of competing with anyone, a simple ride would be much more comfortable. While riding you have to be very conscious, and should not make too much experiments with your tricks. Don’t forget to wear a helmet whenever you are riding.
Thus, the BMX bicycles are both, fashionable and powerful, providing you the ultimate passion for fashionable biking.
About the Author
Robert Sheehan is a freelance writer and co-owner of
http://www.bicycles-are-us.com Visit Robert And
read more about bicycles at
http://www.bicycles-are-us.com/BMX-Bikes.html
Unusually customized road bike?
Hello people
I'm looking to get a road bike, something like a Carrera Virago or Vanquish or a Trek Madone (or similar).. However I'm not very fond of the thin race tyres and was wondering if i could fit mountain bike wheels with slick tyres instead (like the Maxxis Hookworm 2.5").
I also want to find a way of changing the brake system from a V caliper setup to a disc brake setup, or just finding a road bike with an existing disc brake setup. I know disc brakes have no real business on a road bike but i want to give it a try..
Thanks people
Maybe on another planet in another sector of the universe but NOT on earth! Aint gonna' happen. Nope. Unless you have it built and then what you will have ultimately is: A Mountain bike! Get real!
I call em as I see em', Im from MO- show me!
Smart starter: Yamaha YZF-R125
Yamaha turned its learner bike into a race replica, writes Trevor Hedge.
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thank you so much for such a great subject its so hard to find such a very usful and greatful informations it took me a loon to get such a good matrial thanks a lot indeed