Alastair Hamilton asked:


The Bicycle Rim is definitely one of the most important part on the bicycle wheel. People often had mistaken the whole wheel. consisting of rim and spokes as the “rim”. but actually rim is defined as the metal circle which holds both the tube and the tire. Each wheel of the wheel set consists of several spokes which are used to connect the rim to the main hub (i.e. the center of the wheel consisting of the axle and the bearings).

Types of Rim

Rims come in various size and shapes. depending upon the underlying tire. If the traditional tubular tires (these have inner tube sewn into the tire allowing the tire to be inflated without being mounted on a rim) are being employed. the tire needs to be glued to the rim. Although they are expensive and difficult to maintain. yet they provide excellent speed and often the preferred choice when it comes to racing. The other set of tires are the clincher tires (these enclose an inner tube to hold pressurized air). They can be repaired easily and the performance is also at par with the tubular tires. As both these tires are widely used. most manufacturers prefer to produce rim fittings for both sets.

Building a Bicycle Rim

In the beginning. wooden rims were used. which were later replaced with rims made of steel. The problem with steel is that it is heavy and if the rim gets damaged. it is really difficult to mould it back. These were later replaced by alloyed rims (including aluminum). Alloyed rims can be molded in any profile. but not too deep. as that will increase the weight too much. These provide lightless and beauty to the bicycle rim. The latest trend to hit the market is the carbon fiber rim. These are very light and quite strong. but then they hurt the pocket a lot more. The carbon fiber rims don’t brake well in damp situations. Thus. special brakes that can block carbon are required and these are again expensive. For the carbon rims to work. the rim needs to perfectly circular with no bulging.



Russell

Raccoon Wounds asked:


Pocket bikes are those minature motorcycles that go 10-30 mph. They are about 1-3ft tall and come in gas and electric. 1 liter of gas (or charged battery) could get you 45 miles or more. So far I have found only 1 pocket bike that can go to 65 mph. They are meant for riders that are 10 and above (must have good hand eye cordination). I live in Davis California and as you probably know we are developing the famous “flying car” at UCD. We all are considered “hippies” so we try to find a better way of transportation. Now Davis is the biking capital of the world, meaning we promote biking very much. I just need to know why? Anyway thank you for reading this!

Leroy

Frank J asked:


My pocket bike only runs with the choke on. Ive cleaned the carb and put it back together but it still wont run with it off. Is it any harm riding it with the choke on?
Hi Jarrah. Thanks for your help! Not sure of model. On box it has written MINI BIKE and Made in China so dont know if you have PDF for this.

Jimmy

nocevski300 asked:


I have $250.00 and if you could find a fast pocket bike post your answer please.

Robert

James Gunaseelan asked:


Motorcycle jackets are an important part of a rider’s attire. They protect them against bad weather, minimize injuries in case of a fall and give them a smart look. Before selecting a mesh motorcycle jacket you need to look at their important features. Some of the important features of popular mesh motorcycle jacket brands are:

1. AGV SPORT AEROMESH JACKET: This jacket comes with a polyester mesh exterior and an open weave netting inside for better ventilation. It has high-density exterior padding on the shoulder, elbow and back to provide protection in case of a fall. Two compression straps on each arm, rubber-coated snap closures at the cuffs and a waistband with straps on each side make it a very comfortable wear.

2. FIELDSHEER MACH 1 JACKET: This jacket has a lightweight, thin polyester mesh on the outside and removable armor at the elbows, shoulders and back. There is additional foam between armor and shell that provides extra protection. There is also a zip-out, insulated liner for chillier moments. The jacket has two exterior pockets and a single pouch inside for storage.

—

3. FIRSTGEAR MESHTEX JACKET: This ultralight jacket has a mesh nylon shell and a removable EVA shoulder and elbow armor that is perforated. It has soft, perforated lining, adjustable sleeve cuffs and hook-and-loop waist tabs.

4. JOE ROCKET PHOENIX 2.0 JACKET: This jacket with a polyester mesh shell covering comes with removable dual density armor in the shoulders, elbows and back. It has an inner liner with large weave that encourages direct airflow and an unpadded low collar. The waistband is adjustable and has two hook-and-loop straps.

5. OLYMPIA SPORTS AIRGLIDE MESH TECH JACKET: This jacket is made of medium-weave mesh fibers with 500-denier Cordura nylon panels. It has a cool mesh interior lining, a neoprene neck insert, two chest and torso pockets and an interior zip pocket. The jacket can be connected to the pant by an eight-inch connecting zipper. The elbow and shoulder armor is injection-molded and can be removed.

6. REX MARSEE FULL FLOW MESH JACKET: The shoulder, elbows and waist of this jacket are made of heavy-duty 1050-denier Cordura. It has a shimmery outside shell that adds to night time safety and a removable body armor. It also has a lower back/tailbone pad for extra protection.

7. TEKNIC SUPERVENT JACKET: This jacket has an outer shell made of reinforced mesh and a soft, perforated inner mesh lining. The Teknic/Knox armor in the shoulders, elbows and back is removable.



Doris

Gen Wright asked:


The Cagllari mini pocket rocket bike retails for $399, but you can often find this little bike on sale if you search for it. Check your local bike shop and also check online for great deals on the Cagllari mini pocket rocket bike. Be sure to check for shipping fees and a good warranty when you purchase online. Actually, look for a good warranty from wherever you buy the bike. Don?t pay more than you have to!

The Cagllari Daytona mini pocket rocket bike seems to be a favorite amongst both racers and weekend warriors. Perhaps the reason is the sleek look of this mini pocket rocket without a bunch of frills. You can decorate this little bike to your taste with your choice of the 150 stickers that are provided when you purchase the Cagllari Daytona new.

The handlebar angle and height are adjustable, as are the brake, throttle, and foot placement, making the Cagllari Daytona mini pocket rocket bike fully adjustable to fit any size rider. The bike is designed to hold a 275 pound man, so it should also adjust to fit one.

Other features of the Cagllari Dayona mini pocket rocket bike are a pull start (which is actually a feature that many riders would rather do without as more and more mini pocket rockets have convenient electric starts), a chain drive automatic transmission, a bent pipe and silencer on the exhaust, and a fast 2 stroke, 47cc, 10,000 RPM, air cooled engine that will easily go up to 47 mph.

The Cagllari mini pocket rocket bike retails for $399, but you can often find this little bike on sale if you search for it. Check your local bike shop and also check online for great deals on the Cagllari mini pocket rocket bike. Be sure to check for shipping fees and a good warranty when you purchase online. Actually, look for a good warranty from wherever you buy the bike. Don?t pay more than you have to!

If this is his first mini pocket rocket bike, make sure to teach him about the safety habits that every rider should have. And if you ride, too, whether it?s a mini pocket rocket or a full sized bike, be sure to practice what you preach. Children have a hard time understanding how important it is to be safe on a bike when they see Dad doing things that are just the opposite of what they are telling the kids. Be sure he has all of the needed safety gear, and let him roar on his new GP MX3 mini pocket rocket. For more information have a look this website: http://www.minimotorockets.com they have collected some nice and free articles about mini pocket rockets bikes.

Other features of the Cagllari Dayona mini pocket rocket bike are a pull start (which is actually a feature that many riders would rather do without as more and more mini pocket rockets have convenient electric starts), a chain drive automatic transmission, a bent pipe and silencer on the exhaust, and a fast 2 stroke, 47cc, 10,000 RPM, air cooled engine that will easily go up to 47 mph.



Darren

Steve Odine asked:


Selecting a pair of MX pants can seem to be a simple choice. Locate some pairs that fall within your price range and pick the best looking ones, right? Except it’s not quite that simple. Dirt bike pants come in many different cuts, styles and sizes. And there are other qualities to consider, such as durability, heat resistance, resistance to scraping and scratching and more. We’ll run down the qualities you should consider when choosing a pair of pants to help you arrive at a wise choice.



MX Pants Safety

Pants safety comes down to three factors: what they are made of, what type of incorporated safeguards they have, and how well they accommodate added protection.

Pants are offered in various fabrics, each one having its unique pros and cons. If you are looking for protection from scrapes, leather is a good decision, although it can be quite warm. Perforated leather lets more airflow, but is not as durable. Cordura combines breathability and abrasion resistance, but the drawback is its stiffness. Probably the strongest material for pants is Kevlar, despite its high price.

Additional protection, by way of knee or hip protectors, is accessible in a variety of pants. When you see these described as “panels”, it indicates that strengthened fabric is incorporated to provide additional durability. This additional protection still may not meet your needs, though. If you wear additional knee protection, look for pants that are made to hold them.

Safety is obviously one of the most important factors in selecting MX pants so you should spend more time on this one.

Fit

You’ll want pants that provide an adaptable, flexible and comfortable fit.

A snug fit is important because you don’t want material flapping about and slowing you down. Spandex is a good option for this, although Spandura provides the hold of Spandex with several of the protective properties of Cordura.

You’ll want a flexible fit so you can move freely without being held back by your pants. search for flexible stretch panels within all joints that flex as you move.

Ensure pants have an adjustable fit since you might want to swap in safety panels depending on weather conditions. Look for an adjustable waistband and cuffs to provide extra room for safety gear like a midsection belt and boots.

Durability of Dirt Bike Pants

Because you may spend a good sum of money on some pants, you’ll want them to last. Search for pants that provide triple stitches on seams. This allows the pants to sustain some amount of damage without ripping. Make note of the kind of fabric used in the rear and the knees — these two areas receive the heaviest strain so are most vulnerable to tearing.

Airflow

Air circulation normally does not go hand-in-hand with safety. The more durable the fabric, the better protection it provides at the expense of being more warm. Pants will often contain strategically placed air flow vents that allow for cooling without sacrificing protection. Some pants feature webbed panels. Spandex and Cordura also offer this type of breathability.

Motocross Pants Style

Of course, the pants must look good as well. Don’t forget to compare the color scheme of your pants to your bike. Are they a good match? Is there other gear that needs to be considered, like boots or a jersey? When you are off your bike, will your pants still be appropriate? If so, you won’t need to hurry to put on other clothes when you dismount. Perhaps consider getting pants with removable legs so they can be converted into shorts. Although they won’t be as safe, they will be more practical after your ride, especially when the weather is iffy.

Other Factors

The factors above are perhaps the most critical to look at when choosing Dirt bike pants. Yet there are still others as well. search for pants that are lightweight so you’re not held back by your gear. Consider the pockets — are you trying to carry a few essentials when you travel? If so, you’ll require a few of those.

Youth Motocross Pants

A quick word about dirt bike pants for the kids: The same factors as above apply for youth pants as well as for adults. Pay close attention to sizing, obviously, because kids do grow quickly! And you may want to prioritize safety to a greater extent instead of styling. That should be a possibility nowadays, because many pants are now produced in children’s sizes as well as adults’.

More Info

This article gives additional info on dirt bike equipment in general. Fox Racing and Answer Motocross are two of the leading dirt bike equipment names.

All in all, picking out a pair of dirt bike pants can present a daunting choice. Do not fear, however. Consider a few of the points we’ve discussed when deciding and you’re sure to come to a good decision.



Matthew

nlwest21 asked:


When you first receive your brand new pocket bike you will want to take it out on the track and see what it can handle. But before you do any racing or tricks with it you first need to break it in. With every new pocket bike comes a brand new engine that is not going to be used to the speed and power that you will use it for. That is why you will break it in. There are two techniques that you can use.

Heat Cycling

In the process of heat cycling you will run your pocket bike engine right above idle for five to ten minutes. Once the time is up you will notice that the engine will be below the normal operating temperature. You will then need to shut it off and allow it to cool down.

After it is finished cooling off turn the engine back on to idle for another ten minutes before shutting it off once more. Again you will need to wait for it to cool down. Repeat this process a total of four times.

After the fourth time you can ride your bike at a slow pace until you run out of gas. Do not rev the engine or drive it at high speeds during this part of the process because it will put too much stress on your engine. Once you are out of gas you can fill her back up and you will be good to race and perform those crazy tricks you love.

Racing Break In

The racing break in method is not used very often by many people. You will start off the breaking in process by warming up the engine of your pocket bike for five minutes at idle. After the time is up bring the throttle up to where the clutch can engage. This will keep you from being thrown off the bike if and when you apply too much throttle when driving it.

Now you will be able to take the bike onto the track - but only as a test run. During the first lap take it slow. In fact take it a slow crawl. This will also help to break in the tires as well as the engine.

In the second lap you can put more pressure on the gas. Continue to ride at this easy pace for fifteen minutes. Don’t ride the bike too hard - but also make sure that you do not ride it at too slow of a pace.

If you do nothing to break in your bike then you will find yourself without one for a long time. The reason the breaking in processes are important is because they help to make sure that your engine and other pocket bike parts will not break down within the first week or month you have it. Replacing pocket bike parts is not always inexpensive so take good care of it.



Donald

Emmanuel P asked:


is the manual x18 super pocket bike easier to drive or is the x19 better.

Erica

Edgar asked:


I have a x19 110cc pocket bike. How do i make it go faster?

Doris