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  1. #1
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    Cheap bike tyre question

    A real cheap bike......

    $140; I needed something to ride with the kids (and to places my road bike won't go) but wasn't ready for a 'proper' MTB. In fact. it's better than I expected - simple steel frame, quill stem, Shimano mechs, SRAM shifters. The money's been saved on the fork (let's not go there) and the tyres - almost childishly knobbly and plastic.

    I quite like this clunker, and (London being the bike theft capital of Europe now) it's also cheap enough to ride to work. I do really need some street slick tyres though.

    The horrible tyres are marked 26x1.95 (150-559) which seems a common enough size. There are no markings on the rims.

    Question from a relative newbie. Is it likely that I can fit slicks - all of which seem to thinner than the off road ones, to the rims? I know that most rims have a minimum tyre width - but how could I know? Don't incidentally suggest that I ask the vendor. Drug addled, minimum wage worker ants, there.

    Oh and I want cheap - otherwise I might have been better off buying a proper bike in the first place.

  2. #2
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    Seems like the knobbies I had on my MTB were size 1.95 with maximum pressure of 50 psi. Since I enjoyed the road better than the alternative, I installed some size 1.50 road tires on the same wheels. The maximum pressure on the size 1.50 tires is 80 psi. It made a big difference. Can't comment on price as it's been a while since I made the switch. There should be tires of that size at different prices. Perhaps you could try Wally World (Asda in the U.K.?) Good luck.

  3. #3
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    Yeh, my gut reaction is that a well inflated 1.50 would be OK - but I'm just guessing...I mean, there must be minimum width below which the bead will work loose. I'd rather not find out.

    Asda's interesting. A well run, popular food&household UK retail operation swallowed by Wal-Mart. Curiously, it hasn't been a very fruitful marriage, yet.. This is because the Britain is largely run by Tesco, a store chain straight out of George Orwell. They do sell tyres - Asda don't.

    Thanks for the comments.

  4. #4
    Senior Member Bill Kapaun's Avatar
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    http://sheldonbrown.com/tire-sizing.html

    Near the bottom of the page is a sizing chart.

    I would guess you could go as low as 26x1.25" (559-32mm) without problem. Finding a skinnier tube will be a bit more difficult.
    I put 1.50's on my 20mm wide rim and they look like they belong there! Your current tube would probably be "usable" with that size.

  5. #5
    just keep riding BluesDawg's Avatar
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    The more you ride your bike, the less your ass will hurt.

  6. #6
    Time for a change. stapfam's Avatar
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    Don't know about a minimum Tyre size but I run 26x1.95's normally. Have gone up to 2.1's. Have gone down to 1.0 slicks on the same rims so I don't really think that for leisure or recreational riding you will have to worry. A good cheap tyre for road use as a slick is the Schwalbe Marathons. I use 1.4's on the tandem. but tyre size on these WIDE rims will go from 2.3 down to 1.3 slicks and that is a performance bike that takes a lot of punishment.
    How long was I in the army? Five foot seven.


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  7. #7
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    Might want to consider the wheel you have on the bike though before going too narrow. Some of these bikes come with very wide steel rims. Trying to put a 26 x 1 tire on there might cause the tube to push the skinnier tire off the rim. The safe bet would be a 1.50 width slick, which you could maybe use the original tubes with.
    A Mess of old bikes...
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  8. #8
    Senior Member cyclezealot's Avatar
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    Just search for sales. Some things I don't want cheap. Like tires, helmets, chamois'. Since flats ruin my ride, I'd go for the sales; when you can get a decent tire with flat protection , for not that much more. Stock up on the sales.

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