Road bikes come in many different sizes, so how do you know what size tube to get? The first thing to consider is the width of your tires. Road bike tires range from 23mm to 28mm, with most road bikes using tires that are 25mm or 26mm wide.
If you have wider tires, you’ll need a wider tube. The next thing to consider is the length of the tube. Road bike tubes are available in 60cm, 70cm, and 80cm lengths.
You’ll need to measure the distance from the center of the valve stem to the point where the tire bead sits on the rim. Choose a tube that is at least 2-3 inches longer than this measurement.
You might be wondering, what size tube do I need for my road bike? Well, it depends on a few factors. First, you’ll need to know the size of your tire.
Road bike tires typically range from 23-28mm wide. Once you know the width of your tire, you can determine the appropriate tube size.
If you have a 23mm tire, you’ll need a 700c x 18-23mm tube.
For a 24mm tire, you’ll need a 700c x 20-25mm tube. And for a 25 or 28mm tire, you’ll need a 700c x 23-28mm tube.
Now that you know what size tube to get for your road bike, there are a few other things to keep in mind when purchasing one.
Make sure to get the right valve type for your bike – Presta or Schrader. And if you’re planning on riding in cold weather, make sure to get an puncture resistant winter specific tube.
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What is the Standard Road Bike Tube Size?
There are three main types of road bike tubes: inner tubes, tubulars and tubeless. Each has their own advantages and disadvantages, but the most common type of tube used is the inner tube.
Inner tubes are made of a rubber compound and are typically inflated with air.
They’re easy to install and remove, making them ideal for those who don’t want to deal with the hassle of tubulars or tubeless tires. However, they’re not as puncture resistant as other types of bike tubes and can be more susceptible to flats.
The standard road bike tube size is 700c, which refers to the outer diameter of the tire in millimeters.
There are also 650c tubes available for smaller wheels, but these aren’t as common. Most inner tubes will have a width of 23mm-32mm.
How Can I Tell What Size Tube I Need for My Bike?
When it comes to figuring out what size tube you need for your bike, there are a few things you’ll need to take into account. First, you’ll need to know the diameter of your tires. You can usually find this information on the side of your tires.
Once you have that number, you’ll need to decide on the width of your tubes. Tube widths will typically be either 1.5 inches or 2.5 inches wide. If you’re not sure which width you need, it’s best to err on the side of caution and go with the wider option.
Once you have those two numbers figured out, it’s simply a matter of finding a tube that has those dimensions. You can usually find tubes at most bike shops or online retailers. Just make sure to double check the sizing before making your purchase!
How Many Inches is a 700C Tube?
There are a few different types of 700c tubes, but the most common size is 700c x 18-23. This means that the tube is 700c in diameter and 18-23 inches long. The length will vary depending on the width of the tires you are using.
If you are using 23mm tires, then you will need a 23mm tube. If you are using 25mm tires, then you will need a 25mm tube. And so on.
When it comes to inflating your tires, it is important to know what PSI (pounds per square inch) rating they have. Most road bike tires will be between 80 and 130 PSI. You do not want to exceed the maximum PSI rating for your tire, as this could cause them to burst.
Inflate your tires slowly and evenly until you reach the desired pressure.
Does Bike Tube Have to Be Exact Size?
When it comes to bike tubes, size does matter. That’s because tubes are designed to fit specific tire sizes and widths. While you can usually get away with using a tube that’s slightly smaller or bigger than your tire, it’s not ideal and could lead to problems down the road.
So, what happens if you use a tube that’s too small? Well, the tube could end up being pinched by the tire, which would cause a leak. Alternatively, the tube could burst if it gets stretched too much.
Either way, you’re looking at a flat tire.
On the other hand, using a tube that’s too big is also an issue. The extra space inside the tire could cause the tube to move around and eventually get punctured by the spoke ends.
Not only is this dangerous, but it also makes changing a flat tire more difficult since you have to fish the tube out from under the tire.
In short, it’s best to use a bike tube that’s exactly the same size as your tire. This will help prevent flats and ensure a smooth ride.
How To Choose Inner Tubes – GCN's Guide To Road Bike Inner Tubes
Bike Inner Tube Sizes Chart
Bike inner tubes come in a range of sizes to fit different tyres. Use this chart to find the right size tube for your tyre.
Inner tubes are made of rubber and have a valve stem sticking out of one end that goes into the wheel rim.
The other end of the tube is sealed. When you get a puncture, you take out the old tube, patch the hole, insert a new tube and inflate it.
There are two types of valves: Presta and Schrader (also called American or car-type).
Most road bikes use Presta valves because they’re narrower and can be opened and closed with a small screwdriver or coin. Some mountain bikes use Schrader valves because they’re compatible with car-type pumps. If you have doubts, look at the valve on your own bike tires before purchasing new tubes.
Presta Valve Lengths: Short=32mm Medium=40mm Long=48mm
Schrader Valve Lengths: Short=30mm Medium=33mm Long=36mm
Size Width Range Valve Lengths
Conclusion
If you’re new to road biking, you might be wondering what size tube is best for your bike. The answer depends on a few factors, including the type of bike you have, the tires you’re using, and your personal preference.
Here’s a quick rundown of the most common tube sizes:
– Standard road bike tubes are 700c x 18-23mm.
– Most racing bikes use 700c x 20-25mm tubes.
– Touring and endurance bikes usually have larger tires, so they require 700c x 28-32mm tubes.
The width of your tires also plays a role in finding the right tube size. For example, if you have 23mm wide tires, you can use either 18-23mm or 23-25mm tubes. If you have 25mm wide tires, you’ll need 23-25mm or 25-28mm tubes.
And if you have 28mm wide tires, you’ll need 25-28mm or 28-32mm tubes. Ultimately, it’s up to you to decide what width works best for your riding style and needs.