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#1
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tubes right size
Hi guys
I'm leaving in 8 weeks to a 30 days trip and can't find the right size of tubes for my bike 95 bmw K75 to carry in case of a flat . Bike's tires size are: 100-90-18 front 130-90-17 rear Can I use another size? If anyone could give some help on that I would appreciate. Thanks! M5 |
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#2
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You can use anything with numbers close to yours as long as the last digit, rim size is the same.
you'l see the 140/80/18 is the same as the 110/90/18 tube, actually the tube box has all the numbers on it as use from: 100/80/18 up to 140/90/18. Good luck! |
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#3
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Thanks
Steven,
Thanks for your help. I'll do that. M5 |
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#4
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you can also generally use a larger rim size front tube in a rear tyre in an emergency. Enduro riders will often only carry a 21 inch front, that can also be used in an 18 inch rear in the event of a puncture.
cheers |
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#5
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n but remember they are the stock size for
Last edited by mollydog; 26 Mar 2009 at 02:59. |
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#6
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correct size tubes
Putting a 21inch tube in an 18 inch wheel may get you mobile but do not leave it in there for longer than you need to get back home or a tire store. The circumference of the 21 is too big and will usually cause the tube to crease which then wears a hole in the fold and you have another flat. Experienced this scenario once from a bike which I did not know had a larger diameter tube than the wheel rating. If any choice needs to be made I would favour a smaller diameter , at least it can stretch and fill the tire without creasing. Then get the correct size.
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#7
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Found'em
Thanks for all of your postings.
I finally found the right tubes.The brand is Cheng Shin. I don't know about their quality but was the only place that I could find the specific sizes 100-90-18 F and 130-90-17 R heavy duty. Thank you all. M5 |
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