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Tyre size - rim specific

thespanishadamthespanishadam Posts: 341
edited October 2013 in Road buying advice
Does anyone know the widest tyre I can fit on a Weinnman DP18 rim? I run the bike fixed geared purely for commuting.

I'm having issues with slow punctures using 25mm schwalbe marathon. Only seems to be the rear.. so far I have changed the rim tape. Given the wheel good clean and changed the inner tube. Hey presto slow puncture again. Oh and tried two different brands of inner tube.

I was looking at the Vittoria randonneur on PX for a tenner in a 32mm. If not wiggle have the 28mm version.


  • Monty DogMonty Dog Posts: 20,614
    Sheldon Brown suggests that maximum tyre width is 2x the internal width of the rim, so expect you should be looking at no more than 28 or 30mm - bigger and you'll have difficulty getting the tyre to stay put on the rim
    Make mine an Italian, with Campagnolo on the side..
  • It is a very narrow rim, unusually narrow... I would suggest you stick the 28 on... shame as the 32 also come as Randonneur PRO, which ride much better
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