Showing posts with label 16 steps to fixing a flat tyre on a Bicycle. Show all posts
Showing posts with label 16 steps to fixing a flat tyre on a Bicycle. Show all posts

Monday, 10 May 2010

How to Go Faster With Carbon Cycle Frames


When I first started cycling, all I wanted to do was to reduce my weight and improve my fitness. I wanted to have a way of burning calories without hurting my knees. So I tried cycling and it seems like an enjoyable sport with minimal impact on the knees.

However, it didn't take long before I got hooked on cycling! In fact, I loved it so much that I started to go out almost everyday for at least an hour or so just to cycle. After about 6 months, the cheap mountain bike that I had didn't seem challenging enough. So I upgraded to a road bike. I found that I enjoyed riding the roadie even more! The bike was able to go faster, and the ride was certainly more fun and enjoyable.

When I got my first road bike, it didn't really cross my mind to join an event with it. But then the opportunity came up and I joined a local community ride. Nothing competitive. It's just a fun ride. I did 40km with my road bike and road at an average speed of 32 kph.

The next event I joined was slightly more competitive. It's a duathlon that was participated by mostly fitness buffs. The event was a real eye opener.

On the day itself, there were all types of bikes being used in the event. Most were triathlon bikes. I have read that tri-bikes provide the most speed with the least effort. In other words, in an endurance event, it offers a competitive advantage as it is the most energy efficient. Energy can be saved for the run that is to take place after the bike ride.

I was riding a low end aluminum road bike without clip pedals, and I noticed that these high end bikes were simply flying past me! The riders looked so at ease while riding their bikes and overtook me as if I was standing still.

After the event, I went back to do some research and discovered that there is a huge difference between low end road bikes and higher end bikes. The fastest bikes you can do for are triathlon bikes that are made completely from carbon. These are aerodynamic machines that are engineered to perfection for speed. They are also the lightest road bikes you can find. Also, carbon has a unique characteristic - it's stiffness offers tremendous power transfer capabilities. No wonder these guys seem to power away without much effort!

Find out how a carbon road bike frame or high quality road bike groupsets can help you achieve faster timings.

Article Source: http://EzineArticles.com/?expert=Darren_W_Chow

Monday, 15 March 2010

16 steps to fixing a flat tyre on a Bicycle

Flat tires can be intimidating to new distance riders, or to anyone who thinks their mechanical skills are not good enough to fix them in the field without help. Actually, however, most bicycle flats are easy to fix on the spot with minor preparations beforehand. Here is how to turn an unexpected flat tire into a 15-minute repair job that can be done by anyone on any kind of bicycle ride.

Background.

No doubt, I am not the only bicyclist who has ridden over 10-miles on a flat tire more than once because I was not prepared to fix one myself during the ride. That unprepared state changed when I added a bike bag to my crossbar for carrying the tools and spare parts needed to repair flats on the spot.

Spare parts needed.


carrying bag (Velcro-strap-on Colorado or rear-trunk styles)
two extra tubes (new or tested okay; correct size)
patch kit, if preferred (roughing scraper, quick-drying cement, rubber patches, additional self-stick patches, valve-stem cores and caps, instructions for using the kit)
tire boot (a heavy patch for a covering a sizeable hole inside the tire itself)
spare tire (for a major blowout; folded)

To find an air leak in a flat tube by feel or by sight is not always easy. Often, a small leak can only be found by immersing the inflated tube in water. Yet, this kind of leak can easily be patched on-site if desired. At other times, the leak is so big that the tube cannot be inflated or easily patched. Thus, either way, having spare tubes on hand becomes the easiest and fastest way to fix a typical tube flat on the spot.

This condition is true for tubeless tire flats as well. Instead of looking for tiny holes in the tire that might be difficult to see, install a spare tube into it. By far, this way becomes the easiest and fastest way to fix a tubeless flat.

Tools needed.


small to medium-sized blade screwdriver
small pliers or adjustable wrench
two plastic tire levers
valve-stem tool (for traditional Schrader valve stems)
valve-stem converter (from the newer Presta to Schrader types, if needed for a non-adjustable pump head)
hand operated air pump (relatively small with a dual or adjustable head)
CO2 filling device with spare cartridge, if preferred to a pump
slime or sealant filling canister, if preferred

Flat-tire repairing procedure.

(Note: bicyclists who lack mechanical skills might want to practice this procedure at home before trying it in the field.)


Deflate the tire as much as possible (usually not necessary).
Release the rim brakes if applicable.
Turn the bike upside down and balance it on the handle bars, or lean it against a nearby object.
If the flat is a rear tire, remove the chain both from the crank and rear gears so it hangs loose.
Loosen the quick-connect lever or axle-bolt nut, which ever is present (a screwdriver or wrench helps here depending on their degree of tightness).
Remove the wheel and tire from its dropout sockets on the frame.
Pry the bead of one sidewall over the wheel rim with the levers and screwdriver. Be careful not to damage the tube further.
Remove the tube (Note: the valve stems can be tall. Thus, at the valve-stem location on the rim, push the loose sidewall toward the other side of the rim, then freely pull the tube's valve stem out of the hole. Also, if the flat tube is repairable, save it and patch it at home).
Carefully feel the inside of the tire for any sharp point that might have caused the flat. If found, remove it.
Install the spare tube within the tire. Insert the valve-stem into the rim hole first, i.e., push the loose sidewall toward the other side of the rim to insert the tube stem into the rim hole. Once the spare tube is placed inside the tire, look for pinches, twists, or uneven areas. Smooth them out before proceeding.
Manually, press most of the pried-out bead and sidewall back into the rim; use a lever for prying last few inches into place within the rim.
Add a tiny amount of air to hold tire and tube in place. Check to make sure the tire-beads are seated snugly inside the rims.
Replace the wheel into its dropout sockets. Too much air in the tire will make it difficult to push it between any non-releasing rim-type brake pads. If the flat is a rear tire, be sure the chain, derailleur and wheel gears are interlocking correctly.
While holding the tire in a side-to-side centered position (not touching the rim brake pads), tighten the quick-disconnect lever or axle-bolt nut.
Pump air into the tire to firmness (or fill with CO2, if preferred).
Replace the chain over the crank and rear gears and aligned their positions to each other.

After packing the spare parts and tools back into the carrying bag, and, while still having another spare tube on hand, enjoy the rest of the ride.

For more information on fixing bicycle tires during actual rides, see the sites below.

1. ehow - How To Do Just About Everything How to Fix a Flat Bicycle Tire http://www.ehow.com/how_2210866_fix-flat-bicycle-tire.html

2. REI How to Fix a Flat Tire http://www.rei.com/expertadvice/articles/flat+tire.html

Article Source: http://EzineArticles.com/?expert=J_Delms