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Fitting different size tyres on a wheel.

  • 11-11-2010 3:36pm
    #1
    ninjasurfer1
    Registered Users, Registered Users 2 Posts: 485 ✭✭


    Hi,

    My bike currently has tyres that are 700x35c (Bontrager H2, 700x35c).

    The wheels themselves are: Alloy hubs; Bontrager 750 32-hole double-wall alloy rims.

    I'm looking to get a special back tyre for a Tacx Satori (indoor) trainer, but the largest I can find is 700x23c.

    Without buying it and fitting it, is there any way i could find out if this tyre would fit on my wheel?

    Thanks for any info.


Comments

  • #2
    route66
    Registered Users, Registered Users 2 Posts: 1,012 ✭✭✭route66


    Have a look at this table from the Schwalbe web site; The Sheldon Brown web site agrees.

    Both state a 23mm wide tyre is only suitable for either a 13 or a 15mm-wide rim.

    I was buying tyres recently and needed to know what was suitable. Despite have detailed specifications of my bike, I couldn't find any information about my rim width anywhere; I needed to measure this myself: Let out the air and then expose enough of the rim to allow the inside measurement to be taken.


  • #3
    blorg
    Registered Users, Registered Users 2 Posts: 15,995 ✭✭✭✭blorg


    Those tables are probably a bit conservative; I have used between 23 and 37 on the same (relatively narrow) rims without difficulty. You will probably get away with more on a turbo; you are not exactly going to be hitting any potholes.

    Unless you are going to be dedicating this bike to turbo only I would suggest though that you get a new back wheel and cassette to go with the tyre; changing a turbo tyre is not something you would want to be doing often.


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