Max tyre width on 25c rim

exever
exever Posts: 6
edited November 2018 in MTB workshop & tech
Hi, does anyone have any idea what is the maximum tyre width I could fit on 25c rim? I havent measured internal, but the rim says 25c. Its on Cannondale Bad Boy 3 (2018) model. Has 35c Kojak it came with. All tyre/rim compatibility charts say 25c is wide enough for 2” gravel tyres or 2.1” mtb tyres. Thats the max clearance in the back I believe.

Comments

  • steve_sordy
    steve_sordy Posts: 2,446
    Follow this link to a couple of pages from Schwalbe on Tyre Dimensions.

    https://www.schwalbe.com/en-GB/reifenmasse.html

    The third one down has tyre width vs rim width

    It says that a 25c rim will support tyre widths from 42mm to 62mm (1.65" to 2.44").

    I can't comment on which tyres will not foul your frame, but don't forget that frames and wheels flex when cornering. This means that even if a tyre does not rub the frame when spinning, it might still do so when you are dodging about.

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