A flat tire isn’t a big deal if you know how to handle it. There is a good chance that your bike will experience trouble at some point, whether it’s on smooth pavement, rocky gravel, or single-track trails, so you may as well equip yourself with both the tools and knowledge necessary to handle it.
A sharp object can blow your tire while you are on the road. However, if you are familiar with identifying and patching holes in your inner tube and you have a patch kit with you at all times, you can fix the problem instantly.
Throughout this article, you will learn everything you need to know about patching a bike tire. Continue reading to learn more!
Table of Contents
- 1 Step-By-Step Guide on How to Patch a Bike Tire
- 1.1 Take the Wheel off the Bike
- 1.2 Remove the Tire with Tire Levers
- 1.3 Find Out Where the Leak Is Coming From
- 1.4 Mark the Tube’s Hole with a Chalk
- 1.5 Ensure That Any Foreign Objects in the Hole Have Been Removed
- 1.6 Add Sand to the Hole If Needed
- 1.7 Put the Patch in Place
- 1.8 Learn When Replacing the Tube Is the Better Option
- 1.9 Tire Tube Replacement
- 1.10 Reinstall the Tire and Tube on the Wheel
- 1.11 Check the Bead and Gently Pump Up the Tube to Let It Settle
- 1.12 Bike Wheel Replacement
- 2 How to Remove Tire and a Tube from Rim for Patching
- 2.1 Completely Deflate the Tire
- 2.2 Make Sure One Tire Bead Is Pushed Toward the Rim Centre
- 2.3 The tire dab should be tight against the edge. Angling it inwards extricates the dab from the edge. Rehash this cycle on another globule.
- 2.4 Hold One Tire Lever beneath the Tire Bead
- 2.5 Inspecting the Inner Tube of a Tire
- 2.6 Inflate the Inner Tube to Twice Its Normal Width If Possible
- 3 Bicycle Tools for Fixing Flat Tires
- 4 Conclusion
Step-By-Step Guide on How to Patch a Bike Tire
Here are the steps for patching a bike tire.
Take the Wheel off the Bike
Whenever a wheel is flat, you should first remove it. You should check the wheel on the side where the spokes are near the centre. A quick-release can be loosened by flipping it over and rotating it counterclockwise. If you find a nut, you may require a wrench to unscrew it. Once the brakes are disconnected, you can move off the brake pads to facilitate the removal of the wheel.
When you have the rear flat, you must also deal with the gears and the chain. Shift into the smallest gear set if you want to put slack in the chain. Unscrew the nut holding the wheel in place by loosening the quick release. You may need to pull back on the rear derailleur (the arm that passes the chain through and contains the small pulleys) to move the chain in certain cases.
Remove the Tire with Tire Levers
Once the flat wheel has been removed, take off the outer tire. When doing so, you may need a nonmetallic, sturdy pry tool. A special tool called a tire lever is available from bicycle shops to accomplish this task. You’ll need to work carefully so that you don’t pinch the tire’s tube when you remove the tire from the wheel. If you want to make the process of reinstalling the tire easier, you can leave a tire lip over the wheel edge when you’re finished.
To remove a tire, do not use screwdrivers or butter knives. The tire may also be punctured by this, which can damage the rim.
Find Out Where the Leak Is Coming From
Once the tire is removed from the car, remove the flat tube from the tire and locate the puncture. You can accomplish this by inflating the tube three to four times and check for any holes on the surface of the rubber.
Mark the Tube’s Hole with a Chalk
Punctures that cause flat tires can be quite small. Having found it, you don’t want to lose it! Put a chalk mark at the puncture point to create a “+” or an “x.” For glue-on patches, make your mark large enough to remain visible after you apply the glue.
In the absence of chalk in your patch kit, you should use a ballpoint pen or any other writing implement. If you’re working on black rubber, chalk, or a silver sharpie may be better because it will be easier to see than a blue or black pen.
Ensure That Any Foreign Objects in the Hole Have Been Removed
It would be best to determine whether a foreign object caused the hole or whether it was a pinch flat. Look for protruding foreign objects inside the tire rim and remove them if you find any. To prevent re-puncturing your tire, you should ensure that you don’t miss to remove the object that caused the puncture.
Add Sand to the Hole If Needed
Patches work in different ways – some need glue and some don’t, and some require sanding while others can stick to smooth inner tubes without issue. For instructions, refer to the patch kit. In the case of sanding, use a square of sandpaper about the size of the patch to rough up the area around the hole. Taking the rubber and making it a little rougher will improve the adhesion of certain types of adhesives.
When being unsure whether or not to send your patches, lightly sanding is unlikely to harm their ability to adhere to the tube, so you might as well do it to be safe.
Put the Patch in Place
You should then apply the patch over the puncture hole as directed. In addition to patches that require glue, other types can self-adhere to the tire – although the last is more helpful, it can once in a while have less reliability. The following are general guidelines for the two kinds of patches. Below are general directions for both types of patches. It’s best to follow the instructions that come with your patch as opposed to these.
Put glue or rubber cement around the puncture hole, and let it set (most glues must be allowed to dry until they are no longer tacky – consult any instructions included with the sealant). After the glue has mostly dried, place the patch over it and hold firmly for a few minutes until it seals. Although the glue may take 24 hours to dry completely, a bicycle can be used about 5 minutes after being set.
If using a non-glue patch (also called a “self-adhesive” patch), remove the patch from its wrapper and apply it to the puncture as if it were a sticker. Make sure it is secure by pressing firmly, and if necessary, wait until it is completely dry before riding. You should be aware that these patches might not work as well as glue patches.
Learn When Replacing the Tube Is the Better Option
It may be more economical to replace the entire tube than waste your patch when you have a severely damaged tube. It is possible that tubes with serious damage don’t stay inflated with a patch long enough to be worth using it. In these situations, replacing the tube is a better option. Fortunately, if you can get a new tube, the process is pretty simple.
The following are some examples of tube damage that may warrant foregoing a patch:
- Many holes along the edge, especially snakebite holes
- Those with large tears (if it is a hole larger than 1/4 inch ) cannot be patched
- The patched area continues to leak air, such as from the valve stem.
Tire Tube Replacement
As soon as your repair patch has had a chance to set, check the inside of your tire for any foreign objects, such as metal wires, that may be responsible for the puncture. Carefully lay the tube in the hollow inside of the tire. This can often be done by first inflating the tube a little, then sliding one side in before working the rest in. Be sure to check to ensure that no tube is left hanging out of the tire after you’re finished.
When laying the tube in the tire, be sure the inflation valve is pointing in (away from the tube) so that it can eventually be inflated.
Reinstall the Tire and Tube on the Wheel
Slide the tire (which contains the partly-inflated tube) back onto the wheel by using your thumbs. Be careful not to pinch the tube with your fingers between the tire and the rim as you position the outer lip of the tire over the metal lip of the wheel. You may need to use a prying tool or tire lever to loosen up the very last portion of the tire, which can be difficult to remove over the wheel lip.
It should be noted that some high-end bike tires are not designed to turn in more than one direction. A small arrow will usually be placed along the walls of the tires to indicate the intended direction of rotation. Make sure the tire is not installed backwards! A bike that is improperly tuned can have poor performance and create uneven tread wear.
When replacing a tube, do not forget to remove the valve lid. For easy access to the lidless valve, the tire’s wheel should have a circle-shaped hole through which the valve can be slid.
Check the Bead and Gently Pump Up the Tube to Let It Settle
Ensure that the tube is not sticking out of the rim before you start pumping. If it is, it might explode. Then, get a hand-powered or automatic air pump and blow some air into your tire. The tube should be shifted gradually to allow it to settle into the tire as it enlarges. After the tire is fully inflated, squeeze it again a few minutes later, then let the bike sit for a few minutes. As long as it feels firm the second time around, you’re good to go!
Whenever you are worried that the tube may not settle properly within the tube, you can inflate it before installing the tire on the wheel.
Bike Wheel Replacement
The last step is to re-attach the brakes after you slide the wheel back on the bike, secure the quick release or screw on the wheel nut, and you’re all set. Peddle cautiously until you are confident the patch won’t immediately burst, then ride as usual!
How to Remove Tire and a Tube from Rim for Patching
Common bicycle tires are called clincher tires, and they have beads affixed to the inside edges. The wheel bead fits tightly against the wheel rim. When the inner tube is inflated, the tire’s bead is pulled against the “bead seat” of the rim, the part of the rim that is hooked to hold the bead. Ensure that the rim bead seat and tire bead match in size. Bead diameter standards already exist in many different sizes, none of which are interchangeable.
To pry tire beads up from the rim sidewall, tire levers are typically required since tire beads tend to be tight in the rim. Avoid using sharp objects, such as a knife or screwdriver, because they could damage the tube or tire. On completely strung shafts, a locking nut is commonly situated close to the rim. The locking nut should be loosened and removed before deflating the tire.
Here is how to remove a tire or tube from the rim.
Completely Deflate the Tire
Tires often have a lot of air left in the tube, and even a small amount can make them difficult to remove. To get impressive outcome, ensure the wheel is pressed down as the valve is depressed.
Make Sure One Tire Bead Is Pushed Toward the Rim Centre
The tire dab should be tight against the edge. Angling it inwards extricates the dab from the edge. Rehash this cycle on another globule.
Hold One Tire Lever beneath the Tire Bead
Remove the bead from the rim, engage the second lever 1-2′′ from the first lever and pull both levers simultaneously toward the spokes. Take one lever out of the way. You should move the lever along the rim for two inches (5 cm), and then engage the bead. Remove the next section of the bead by pulling the lever.
Engage the lever repeatedly until the bead is loosened. As you slide the lever along the rim, make sure the bead is under the rim. Pull the inner tube from the tire, starting opposite the valve. The valve should be lifted from the valve hole, and the tube should be removed from the wheel.
Take off the second bead. When you have done this, you will have completely removed the tire from the rim. The best way to examine the tire and tube completely is to remove them both.
Inspecting the Inner Tube of a Tire
Whenever a flat tire occurs, inspect the tire and tubes closely to locate the source of the problem. In the future, this will protect your tire against puncture for the same reason. Here is how to inspect the inner tube.
Inflate the Inner Tube to Twice Its Normal Width If Possible
You can detect air leaks by holding the tube close to your lips or holding the tube close to your ear to hear air escaping. Rotate the tube around its perimeter. If none of the above steps works, lower the tube in water and watch for air pockets to show up.
Mark the hole using a marking pen if you plan to replace the inner tube. Put four marks on the hole, one on each side. Marks should not be made close to holes since they may be sanded off. The kind of cut or opening on the tube can help decide the reason for the puncture.
Bicycle Tools for Fixing Flat Tires
Each bicycle rider should try and master the art of repairing a flat tire at least once in their lifetime. The experience of riding a bike doesn’t hurt either if one owns or learns some basic bike tools to make basic repairs. Cell phones are a great backup plan, but bicycle tools and a basic understanding of flat repair are important skills to help a cyclist become more confident while travelling.
Regardless of how carefully we avoid road hazards, every driver should know and tools to change a flat tire. Here are the tools for fixing a flat tire.
You need to ensure the tire is the right size for your bicycle’s wheel. In addition, the valve on the tube should be the correct style, and the valve stem should be the right length. Additionally, the stem should have a knurled knob and a black cap.
Repair Kit for Tires
It usually consists of a small plastic box or a metal tin containing a small piece of sandpaper, three or four rubber patches, and a sealant tube.
Typically made from metal or plastic, these tools help you pry the tire from the wheel so you can get at the tube. After repairing the tube, it is easy to put the tire back on the wheel using the reverse process.
Whether it’s a hand pump powered by arm power or a foot pump powered by CO2, these items help get enough air into the thin tube to return you to the road.
With this product, you can protect your fingers while searching for the flat tire and discover the little sharp object that punctured the tire and tube. In addition, after fixing the flat, your fingers and hands will be filthy and need to be wiped clean with a rag.
The use of bicycles as a mode of transportation has become increasingly popular among urban travelers. In addition to having a small environmental impact, cycling also saves huge amounts of money instead of driving. As an added benefit, cycling can be quite a workout, which is great for incorporating exercise into your daily routine.
If you notice cracks or any types of slashes made from road debris on the tire’s sidewalls, you should replace or patch it immediately.