In these days of wider rim is better the chance of getting a tire to fit inside the 33 mm envelope is not trivial. If anyone has examples of rim+tire combinations that fulfill the requirement I would be happy to know. Are there even any tires that top out at 33 mm on let's say 21-22-23 mm rims? Most of the new rims nowadays are in the low 20s so perfect if there is something that fits there. It is probably a given but I'll just add that tubeless compatibility for rims and tires is a requirement.
In case anyone is interested I will start with one datapoint: I do have a Vittoria Terreno Mix 31 mm tire on a 19.5 mm internal rim, which measures out at very close to 33 mm. They have been sitting at high pressure for some time so I will drop down to riding pressure and remeasure. From memory, the Maxxis mudwrestler is also a very narrow tire but I do not have one available for the time being.
I do also have a set of tubulars but flatting on those is not cheap, so I would like an extra tubeless setup or two.
UCI compliant tires on wide rims <=33 mm
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I rechecked the Vittorias on the 19.5 mm rim, and they measure ~32.9 mm at 21 psi.
Will put them on an i24 today to see how big of a difference that will make.
For those still interested, some more numbers from this old thread https://weightweenies.starbike.com/foru ... 0&start=15:
Will put them on an i24 today to see how big of a difference that will make.
For those still interested, some more numbers from this old thread https://weightweenies.starbike.com/foru ... 0&start=15:
the_marsbar wrote: ↑Fri Dec 18, 2015 11:51 pmOK, so I've measured some tires myself, and thought I'd share the measurements here. The have the following (claimed) inside widths: 18 mm (DT Swiss R24 disc), 21.3 mm (Notubes ZTR Valor).
Maxxis Mudwrestler 33C
DT Swiss R24 disc: 32 mm
Notubes ZTR Valor: 33.75 mm
iRC Serac CX 32C
Notubes ZTR Valor: 34 mm
Schwalbe X-One
Notubes ZTR Valor: 35 mm
All measurements done with callipers, and 25 PSI air pressure (measured with Topeak digital tyre pressure gauge).