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Model: Bell Presta Valve 700 x 34/43C Universal Inner Tube, 700cc - Bicycle Accessoriesories at Academy Sports
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Those were 700x32 size if I remember correctly. I bought like 20 of them. I wasn't sure if I should have, because I didn't have much faith they were any good. I have not hand any flats so far. I have 'heavy' gatorskins on my hybrid so they've been babied <full info>.
I have a bike that I know uses 700C tires and has presta valves. But I'm pretty much ignorant on anything else that has to do with the tires. I just took a look at the tires and it says 32-622 (700 - 32C - 28 x 1 5/8 x 1 1/4). I'm guessing that this tube is not compatible with my tires based on the tube spec of 35-43c vs the 32C spec on my tire. Am I correct on this? If so, could someone point me to an example of a tube that's compatible with my tire so I know what to look for? Thanks.
Last edited by budster January 12, 2022 at 03:06 AM.
I have a bike that I know uses 700C tires and has presta valves. But I'm pretty much ignorant on anything else that has to do with the tires. I just took a look at the tires and it says 32-622 (700 - 32C - 28 x 1 5/8 x 1 1/4). I'm guessing that this tube is not compatible with my tires based on the tube spec of 35-43c vs the 32C spec on my tire. Am I correct on this? If so, could someone point me to an example of a tube that's compatible with my tire so I know what to look for? Thanks.
When sizing tubes, there are four attributes that you need to match: valve type, valve length, wheel diameter, and tire width.
You need a 700c presta tube with a width range that includes 32mm. If you have aero or deeper cross section rims, you may have to go with longer valve stems.
These tubes will be a bit too fat (35mm-43mm) for your needs, but might be able to be squeezed in there in a pinch.
Keep in mind that tubes are often labeled with metric and SAE sizing. For example, a 27"x1-1/8 to 1-1/4" tube will also say 700c x 28-32mm. That is the size that you want (ignore the 28" on your tire, and always match the metric).
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No - this is for a narrower tire. If you look on the item picture, under the main wording on the label it says 1 1/8- 1 3/8. But honestly, I would have no problem keeping this tune on my bike as an emergency repair tube if you are trying to conserve space.
I bought 3 for my gravel bike as backups. I'm just hoping the valve stem is long enough for my carbon rims.
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You need a 700c presta tube with a width range that includes 32mm. If you have aero or deeper cross section rims, you may have to go with longer valve stems.
These tubes will be a bit too fat (35mm-43mm) for your needs, but might be able to be squeezed in there in a pinch.
Keep in mind that tubes are often labeled with metric and SAE sizing. For example, a 27"x1-1/8 to 1-1/4" tube will also say 700c x 28-32mm. That is the size that you want (ignore the 28" on your tire, and always match the metric).
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I bought 3 for my gravel bike as backups. I'm just hoping the valve stem is long enough for my carbon rims.
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