「I'd like to fit the thickest tire possible, but what size C can I use on the Nomu Lab Wheel No. 2?」
I received this inquiry.
How thick a tire will fit on a tubular rim depends on
the curvature (radius) of the tire seating surface and the width of the rim.
Also, it's particularly noticeable in Vittoria's budget models, but there are tires where
the stitching on the inside of the tire has a raised profile.
Even with such tires, some rims have a relief channel down the center to maximize the bonding surface area.
I believe Colnago was probably the first to start doing this.
↑Rims from a certain period of ریう
are extremely narrow in width (lower in the image above). The rim in the upper part is the No. 2's rim.
This Rieu rim can only fit Veloflex's old Record 19C and
the discontinued Servizio Corsa 20C,
and about 20C or smaller tires from TUFO.
That said, these days rim cement has such good performance that
I don't think fitting thicker tires would cause problems like peeling,
but it's certainly not ideal.
The rim width measured was 17.1mm for Rieu and 19.1mm for Tni Carbon 38.
The Carbon 38's radius isn't that shallow.
It's actually on the deeper side, if anything.
Challenge makes Strada tires in 24C and 25C,
and the No. 2 should be able to fit these without issue.
For something thicker, Challenge makes a Paris-Roubaix 27C,
and at that size it starts to look tight.
I don't think it's impossible to fit,
↑If I exaggerate it slightly, this is what it would look like.
You'd be relying entirely on the adhesive strength of the rim cement.
With cyclocross tires, I'd honestly say 「let's not do that」 because of how deep the radius is.
The ENVE rim has a shallower radius, but ENVE should be able to handle up to about 32C without issue. There are actually many real-world examples of this.
The measured width of my 1-68 tubular was 21.3mm.
↑The upper part of the image above is the No. 2's rim again, and the lower part is the No. 3's Tni Aero 80.
The cosmetic carbon on the sides is different, but since the rim manufacturer is the same, the tire seating surface pattern is identical.
The Aero 80 is clearly wider. When I measured it, it was 25.1mm.
The Aero 80's radius isn't shallow either, but because of the width, it should be able to go up to about 32C.
I received this inquiry.
How thick a tire will fit on a tubular rim depends on
the curvature (radius) of the tire seating surface and the width of the rim.
Also, it's particularly noticeable in Vittoria's budget models, but there are tires where
the stitching on the inside of the tire has a raised profile.
Even with such tires, some rims have a relief channel down the center to maximize the bonding surface area.
I believe Colnago was probably the first to start doing this.
↑Rims from a certain period of ریう
are extremely narrow in width (lower in the image above). The rim in the upper part is the No. 2's rim.
This Rieu rim can only fit Veloflex's old Record 19C and
the discontinued Servizio Corsa 20C,
and about 20C or smaller tires from TUFO.
That said, these days rim cement has such good performance that
I don't think fitting thicker tires would cause problems like peeling,
but it's certainly not ideal.
The rim width measured was 17.1mm for Rieu and 19.1mm for Tni Carbon 38.
The Carbon 38's radius isn't that shallow.
It's actually on the deeper side, if anything.
Challenge makes Strada tires in 24C and 25C,
and the No. 2 should be able to fit these without issue.
For something thicker, Challenge makes a Paris-Roubaix 27C,
and at that size it starts to look tight.
I don't think it's impossible to fit,
↑If I exaggerate it slightly, this is what it would look like.
You'd be relying entirely on the adhesive strength of the rim cement.
With cyclocross tires, I'd honestly say 「let's not do that」 because of how deep the radius is.
The ENVE rim has a shallower radius, but ENVE should be able to handle up to about 32C without issue. There are actually many real-world examples of this.
The measured width of my 1-68 tubular was 21.3mm.
↑The upper part of the image above is the No. 2's rim again, and the lower part is the No. 3's Tni Aero 80.
The cosmetic carbon on the sides is different, but since the rim manufacturer is the same, the tire seating surface pattern is identical.
The Aero 80 is clearly wider. When I measured it, it was 25.1mm.
The Aero 80's radius isn't shallow either, but because of the width, it should be able to go up to about 32C.