Tyre size

[densmall]

Does anyone know what is the largest tyre size I can fit on my 3 year old Specialized Tricross Disc.

[Brucey]

"the largest" will vary with how close you are prepared to run the tyre to the fork/stays/mudguards. Tyres are usually not the exact size they claim to be, either, they also vary in fitted width with the rim they are mounted on, so there is no fixed answer.

If you look at the 'rolling resistance' site, IRRC they usefully measure the actual size (width and height) of the tyres they test, and note the rim dimension that they used too.

cheers

[Scunnered]

Does anyone know what is the largest tyre size I can fit on my 3 year old Specialized Tricross Disc.

What size have you got now?
How much clearance do they have?
A=B+C approximately

[densmall]

Have 700x28 with approx 14ml both sides clearance of fork and chainstay

[Brucey]

sounds like you have loads of room; how big do you want to go?

cheers

[densmall]

Need to go large enough to do a 150 mile ride lots of it on gravel type cycle tracks in Germany

[Scunnered]

Something like Panaracer GravelKing SK 700x38

[Brucey]

that'd fit. So would some tyres in the low forties I would expect. BTW you can get away with tight clearances (<5mm or so to the stays) if it is dry gravel rather than mud that you encounter.

cheers