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Road Bike Crank
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To get the most out of your pocket bike there will be a few modifications you can make on your own, and some you cannot. The most effective modification you can make to your pocket bikes will cost you a pretty penny and you won't want to install yourself unless you happen to have a bike shop and are a very experienced bike mechanic, motor bike not pedal powered. There are four major moves you could do to your bike that will turn your new toy into an incredibly powerful machine, and dangerous without proper precautions.
The two piece high compression head kit should be the first thing you want to get. It will cost you anywhere from $100 to $400 but tuned properly and this is where your bikes engine will get the bulk of the boost. A head kit comes with a cylinder, piston, a high quality spark plug, an extra cooling plate, and some kits will even come with a changeable compression dome. With this upgrade you bikes CAG can go from 40cc to a 49cc, on most pocket bikes.
To take your bike to the next level, a full circle stroker crank can take your bike to a 52cc. This mod is done after the head kit is installed for best results. To get the maximum boost out of your crank, which you should prepare to spend another $110 to $130 for, you will need a good and experienced bike to balance the crank with your piston. Most pocket bikes come stock with a half circle crank and once you have the full circle stroker crank you will wonder how you ever managed with only a half circle.
The next step is to upgrade to a four petal reed cage. For approximately $120 to $200, you will not be disappointed as this reed cage is designed with two dual reed sections to allow more fuel into your engine faster. More fuel to the engine equals more power throughout the low, middle and top end.
With a headkit and a good carb, your next step up is a handmade Italian race exhaust-the Zocchi CAG Race Pipe. For anywhere from $160 to $200 you will feel the difference in the power increase from low, middle and top end.
You are going to need a bike shop with whom you trust and who understands the vision you have for the future of your pocket bike experience. With proper porting and tuning, you can get the modifications to work in perfect harmony with your engine. With all some lesser remaining mods and a timing key, you can easily add about 15mph to what your pocket bike could do out of the box.
Pocket Bikes Guide is designed to bring you information about mini bikes, pocket bikes, and pocket bike racing.
Why Jamis Mountain Bikes are a Heaven to Ride on
The challenge of building the perfect bicycle is an impractical goal, but it's the only one that's doing worthwhile. In Jamis Mountain Bikes, they have been at it most of their lives. CEO and President of the corporation Carine Joannou also takes care of the parent company having succeeded after her father in the year 1981.
What began as a humble local distributor of imported European bicycles and its parts in the year 1937 Jamis Mountain Bikes has grown into a national powerhouse with having global distributors all through the world. GJC is now one of the largest, oldest bicycle companies under the original possession in America.
Vice President Greg Webber is a pillar of support for Jamis Mountain Bikes being with them ever since 1979 when the Earth Cruiser rolled out for the first time. He also joined the team led by Carine when GJC acquired Jamis Mountain Bikes in 1990. Their passion, leadership and commitment inspire the rest of the avid bikers at Jamis Mountain Bikes not to be satisfied by the good enough stuff. The entire group aims for nothing short of precision all day, even every day.
By the year 1989 Jamis Mountain Bikes rolls out the Earth Cruiser. The Cantilever Cruiser was re engineered and redesigned. This provides for an equal amount of fashion and fun spurring the movement.
They first delivered Dakar in early 1990s which was a fillet brazed, custom built, ready to race and out of the box mountain bike that turned a lot of heads. In many aspects, the 1985 Dakar crystallizes much of the Jamis Mountain Bikes design thinking that guides their work today. No gadgets, no gimmicks, no compromise, no nonsense; but just pure, genuine craftsmanship and polished performance.
The world-shattering dual-suspended Diablo was introduced by Jamis Mountain Bikes at Inter bike and was a sensation to the crowd. Monocoque frame which was designated for a Bicycling magazine 1998 award is one of the first of its kind in this industry. This frame is made of molded carbon fiber which is resin transferred through vacuum.
It was the year of carbon-fiber for the entire industry and Jamis Mountain Bikes was at the top of the heap with fresh full carbon Xenith Series road bikes. But their carbon wave didn’t stop there. The XC Expert and Dakar XC Pro featured the lightweight carbon bell-cranks and seat stays. The steel lugs which accepted carbon fiber seat stays, down tubes and seat was incorporated with the 853 Eclipse which in turn was sculpted with laser.
They introduced the all new redesigned carbon fiber Xenith Series recently and are a major hit among the stunned audiences. Years of cleansing the ride of our original frame work cumulates into quite probably the perfect balance between stiffness, comfort and the light weight. Many professional racers have claimed it as the best road for a bike race. Also they have planned to introduce this year an all new MP3 suspension platform. The evolution of Jamis Mountain Bikes has gotten lighter, truer tracking, stiffer and more efficient making the bikes the heaven to ride on.
About the Author
Muna wa Wanjiru Has Been Researching and Reporting on Mountain Bikes for Years. For More Information on Jamis Mountain Bikes, Visit His Site at JAMIS MOUNTAIN BIKESI Will Also Highly Appreciate Your Views On Jamis Mountain Bikes At My Blog here
what makes road bike SO MUCH lighter than a mtb?
difference in weight for frame isnt that much comparing a hardtail with a road bike. wheels, 29inches on road bike isnt that light too. the crank is also not so light with the huge chain ring. handle bar is heavier than mtb. what makes a road bike a few kg lighter?
Here is the fundamental difference. A mountain bike is optimized for ruggedness. A road bike is optimized for weight and speed.
There is nothing to say that a mountain bike could not be much lighter. In fact, expensive, XC racing bikes are usually quite lightweight. Racers buy them for the best speed in full knowledge they are not buying a real robust bike. Should you take one of these bikes off some decent drops you would be likely to tear it up.
Designed for tame, paved roads, a road bike doesn't need to be at all robust. They can be optimized for the lightest possible weight and highest speed.
You might want to take a look at the following web site to see how light some people can build a mountain (or road) bike:
http://www.light-bikes.com/
Hope this helps.
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