When it comes to finding the right tire size for your bike, it can be a bit confusing.
The bike industry standards have changed over the years, not to mention the strange mixture of millimeters and inches.
You’ll find when you are looking for a new bike part so little understanding goes a long way. Read the article now to discover the world of bike tires.
In the bicycle industry, the following three bicycle tire size and dimensions are applied:
There are three part. The first part is the outer diameter of the tire; the second is the “x” – the width of the tire in millimeters; the third symbol is a letter (for example, the tire is 700x35C).
The number and beginning of letters determine exactly which tires to use (this is very important: for example, 700x35A tires will not fit 700x35C!).
In this way, they first give the diameter of the tire, the width in inches.
The standard form is A x C, sometimes A x B x C. A – the outer diameter of the tire, B – height, C – the width of the tire. For example, 26 x 1 5/8 x 1 3/4 or 26 x 1 3/4
The European Tire and Rim Technical Organization (ETRTO) symbol are technically the best.
According to ETRTO, the recording size uses two numbers separated by a dash. The first number is the width of the tire in millimeters, while the second is the diameter of the tire or the rim. For example, 23-622 or 42-622.
This notation system is the most accurate system because it is the only system using the inner diameter of the tire, which ensures that the 622 tires will fit in the rim of 622.
You can run a wide range of tire width on the same rim width according to the recommended ratio:
To check frame clearance, with an existing tire fitted, look for the part of the frame with the smallest clearance and measure or estimate it.
Keep a minimum of 3 mm clearance at the narrowest point.
Any less, and you run the risk of having your tire rub, under hard acceleration or the wheel develops a slight wobble.
When the puncture protection belt on carcass thread can be seen through the thread, the tire has reached its wear limit and must be replaced. ( Should you buy bike tires? )
As the puncture resistance also depends on the thickness of the thread layer, it is advised to replace the tire earlier.
You will need tire levers and a pump or CO2 cartridge.
This process requires the wheel to be removed. Now, Just Not Sports will walk you through the process.
Push both sides of the tire toward the center of the rim to loosen the bead from against the rim sidewall.
Engage one tire lever anywhere on the rim except right at the valve. Pull back and lift the bead out of the rim. Take a second lever a few inches away and repeat.
Remove the second bead from the rim. The tire and lube are now removed from the wheel. Now replace the punctured inner tube with your spare tube.
If you have a flat, knowing the cause can help prevent future flats, so always inspect the components: the tire, the tube, and the rim.
Unfold the new inner tube. Put just enough air into the tubes for it to hold its shape. Install the tube inside the tire.
Check for any arrow printed on the sidewall that indicates the direction of wheel rotation. Align the tire and the rim accordingly. Engage the valve stem into the rim.
Work one bead at a time onto the rim. After one bead is installed, make sure the bead is stuffed inside the tire body. Beginning at the valve, push the other bead up and into the rim.
Work with care to pinch the inner tube. Inspect the wheel to make sure the bead is uniformly seated, and the inner tube is not poking from underneath.
Inspect the bead seat line for any irregularities. If the tire dips down in one spot, the bead needs to come up.
Use care not to blow the tire off the rim. If more air pressure did not pop the bead up, deflate the tire, and use a lubrication on that spot, such as soapy water.
Once the tire is properly seated, continue to add full pressure. Tighten the lock nut at the tip of the valve stem. Snug the nut against the rim after the tire is fully inflated.
Now that you’ve got the process down, remember to carry a spare tube, tire levers, and a pump with you whenever you ride.
Whatever you do, be sure to teach your cycling friends this easy and essential skill whenever you have the chance.
Enjoy the rest of your ride!
Sarah Nguyen. I'm single mon, have children 5 old, CEO & Manager at Justnotsports.com ( Just Not Sports ). Following us !!!
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