Can't find tube to fit my back tire - stem doesn't seem to fit properly.
I don't know what year the bike is - I bought it used from a lady here in town. It IS several years old, I think. Maybe even more than a decade. I got a tube that I thought would fit, but it's like the stem doesn't want to fit properly, which causes a leak so that the tire deflates within about 10 minutes (if riding) or a couple hours (if it's just sitting there). Any suggestions?
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Re: Can't find tube to fit my back tire - stem...
You have not explained in what way the valve does not fit, but this may help: Presta VS Schrader Bike Valves Explained It's very possible that you accidentally punctured the tube when installing it, especially if you used a tool to do so. I would suggest you get some in-person help - bike shop, bike co-op or friend who's into bikes.
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Sue, there are lots of how-to videos out there about this. Just google "How to change bike tube" or tire, or flat. You have to remove the wheel, which is easiest with TWO wrenches - they can be the adjustable "Crescent" wrenches, but don't use pliers. You also have to remove the small screw that holds the fat little L-shaped lever to bike. Use a rag to remove the chain from the cog on the wheel. Then use the little "Tire irons" to remove the tire from the rim and get the old tube out - these come three to a set, the plastic ones are best, and you can get them at K-mart. Also, use some baby powder (talc is better than cornstarch) to make the new tube easier to position correctly in the tire - sprinkle the powder inside the tire when you have if off and put the tube in the tire before you put the tire back on the rim. It helps if you put a little air in the tube to make it a nice sausage first. And make sure you get the valve stem straight and pulled all of the way through the hole in the rim. Be very careful that you don't pinch the tube against the rim when you put the tire back on. And the hardest part might be getting a pump to hold tight onto the valve stem - using compressed air (like at a gas station) is by far the easiest method. Good luck.
A major limitation is the steerer tube length. No matter how many times you cut a steerer tube it won't get longer.
Getting Riser Bars or simply flipping the stem over or getting one with a different rise and reach might give you the added height you need. If you LIKE the handlebars, the stem is the best and least-invasive option as most new ones come with front loaders (detachable front caps) that allow replacement without stripping components off one side of the handlebar. In minutes a Bicycle Shop could swap any number of them onto your bike for you to try.
A reputable Bicycle Shop would have fit the bike to you before you took it home.
The adapter for car tires should work on the bike tires. If you are using a compressor with a regulator and gauges then with a full tank of air adjust the regulator so the output gauge is set to the pressure you want the bike tire be be. This makes it take longer to fill the tire but reduces the changes the tire is overfilled and damaged. If you have an old fashioned bike pump and want some exercise that is different than biking then that works also. The valve stems on the bike tires have threads just like the car valve stems and the valves and caps are interchangeable.
Nothing is wrong, it's just a different kind of valve called a presta valve instead of the more common schrader valve. Just stop by the bike shop and ask them to pump it up for you or if you want, to adapt the rim to fit a schrader valve. If you do that have them put in the new inner tube.
Hi! I have 2 Gio Scooters. I looked and looked for a tube for my tire and couldn't find a place until I realized that if you go to Ebay online you can actually buy them through Sven the supplier who sells the Gio Scooters on Ebay. You can just buy them from him and pay through paypal. Make sure the valve is curved and not straight out or it's not the right one. He ships pretty fast too:) I hope this has helped. It took me awhile to get parts. He also will ship parts, he's out of Vancouver. So Good Luck:) Do you know anything about fuses for these bikes???? Grrrr.... TTYL.G
You need a set of tire levers to begin with.. anyplace that sells bike parts/tubes tires will have these.. they are just a nicely set of angled thin yet dull levers.
Using the levers you will need to lift one edge of the tire off the rim so the tire is half way on the wheel. To simply replace the tube.. continue on to B.
To completely remove the tire off the wheel.. flip the wheel over and using the levers pry the tire the rest of the way off the wheel. working your way around.. it will be snug then suddenly free.
Replaceing the tire is the same..except you only want to put it on half way before inserting the tube..
B. Remove the air stem cap and if you have the tool to remove the needle valve from the stem.. do that too as to let ALL the air out of the flat.. then pull the bad tube out.
Put the new deflated tube inside the wheel as flat and wrinkle free as possible starting with placing the air stem through the wheel.. and working it around until well seated.. some folks will use a bit of talcum powder on the tube.. usually they come dusted to allow them to properly fit when inflated.
Once you have the tube in the wheel.. start pressing the tire bead back under the rim.. depending on the wheel.. you may want to partly inflate the tube.. just a tiny bit.. so it will not get trapped between the tire and wheel rim when you re-seat the tire.. you can usually re-seat the tire to the rim with your fingers..becareful not to pinch yourself.
Inspect the wheel to make sure no parts of the inner tube is visible.. inflate to proper psi.. put on the stem cap.. replace the wheel.
You can buy a set of tire liners that will prevent punctures.. but of course this involves doing most of the above times four.
Lastly.. if you feel you just can't get it done.. stop by a good bike shop.. they will do it for you in just a few minutes.. possibly for no charge or little charge.
The first step is to remove the wheel assembly from the bike. Once that is done insure all the air is removed from the tube by holding in the needle on the valve stem. You may have to remove the cap from your valve stem first. Next, using a flat blunt tool, pry the inside lip of the tire away from the rim and hold down the tool. Make sure you don't have the tube pinched with your tool. Next, using a second tool, repeat the first step about 6" from the first tool. This should start the tire to come off the rim on the side you are working on. You should now be able to pull out the tube and inspect for holes. Use a simple tire patch kit if you can or simply replace the tube.
To replace the tube, remove the valve stem cap and insert it from the tire side through the hole in the rim for access. Replace cap on stem to help hold valve in place. Carefully lay tube inside tire without folding it. You may have to bunch it up a bit. Start pushing tire edge back around the edge of the rim. When you get almost to the end it will get tough to if the tire is tight.Use your blunt tool to help it over the edge of the rim. Once the tire is on, make sure the valve stem is pulled up tight and straight before refilling with air. Inspect the tire to make sure it is seated on the rim all the way around on both sides. If not, release air from tube and make adjustments and refill. Replace wheel on bike and enjoy your day!