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Changing a tire is not easy. It is a skill that takes many attempts to perfect. It can be frustrating and annoying. It is a process that takes patience and a cool head. If you go trying to manhandle the thing, chances are you'll end up with bloody knuckles and maybe an ulcer. |
Step 1:
Take off you wheel and place it on cardboard or something soft, sprocket side down (unless you like bloody knuckles). Clean up the wheel especially around the valve stem and rim lock. Loosen the rim lock nut and pull the valve core completely out using a valve core remover. You can purchase a valve core remover at any auto parts store.
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Step 2:
With all of the air out of the tube, the next step is to break the bead. This may take a little force. Put pressure on one side of the tire with your knees and push down with your hands on the other to get the bead of the tire to separate from the rim. If the bead won't break, you may need to use tire irons. |
Step 3:
Using motorcycle tire irons, start at the rim lock and pry the tire over the rim. It is best to have a couple tire irons and work in small increments. Concentrate on one section at a time until you make it back to the rim lock. Be careful not to pinch the tube and BE PATIENT. |
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Step 4:
Once you get one side of the tire popped off the rim, you can go ahead and pull the tube out. It is a good idea to put the core back in and fill the tube to check for leaks before you put it back in.
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Step 5:
With one side of the tire off, you can stand it vertical and work the other side off of the rim with tire irons and your body weight.
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Step 6:
Ok, its new tire time. Spread some baby powder on the bead of the tire. Work one side of the tire onto the rim the same way you did to pull it off. Next, stuff the tube into the tire. Make sure that the tube has all of the air removed and is not twisted up. Insert the valve stem into its hole and thread the lock nut on. |
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Step 7:
Similar to how you worked the tire off of the rim, start at the valve stem and work in one direction to the rim lock. Then work in the other direction from the stem to the rim lock. Work in small increments and be extremely careful not to pinch the tube. You may need to kneel on the tire at times to hold it down. |
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Step 8:
Once the tire is on, put the valve core back in the stem. Use soap to or a tire lubricant to lubricate the bead and allow it to pop into place. Fill the tire to about 40 pounds of pressure and let it sit for a while to see if it leaks. Tighten the rim lock nut. Note: Make sure that the bead is even all the way around the tire. If it is not, you may need to take the air out and refill to get it right. |
