Campagnolo Melbourne 56 rims

[Tsundere]

Anyone got any experience with these particular rims?

Looking to put a retro Gravel™ bike together, I've got a relatively low mileage pair of these laced to STX hubs. I did a bit of research and found that they were considered very durable and tough, although the narrow internal width might be an issue with modern tyres.

Ideally I'd like to run some fairly wide rubber on them, 36+.

Is that going to be out of the question?

 

[SteelNipple]

In the tire/rim width charts the optimal width is usually between 1.4 and 2 times the inner rim width but I'd say 2.5x would still be safe. Schwalbe used to recommend tires up to 39mm on 16mm rims, but I could not find the old chart on their site.

 

[Nob]

You’d probably get away with upto 32mm tyres

 

[Tsundere]

In the tire/rim width charts the optimal width is usually between 1.4 and 2 times the inner rim width but I'd say 2.5x would still be safe. Schwalbe used to recommend tires up to 39mm on 16mm rims, but I could not find the old chart on their site.

You’d probably get away with upto 32mm tyres

Thank you, about what I expected. I'll stick to 32s and keep this set for road only.

I've got a pair of Mavic Module 4's which are also laced to early mtb hubs (1st gen Deore). These have 19mm internal rim width, and I've been running 42's on those without issue. I'm going to throw on some 45's just for the hell of it, well within the 2.5x which I've seen mentioned elsewhere, to see how they go.

Thing is I've got this old steel hybrid frameset with clearance well in excess of 50mm which I want to exploit. I'm starting to think that it might be a better idea to try a 29er wheelset with some 1.95's, although the extra inch of rolling diameter may be an issue. I need to get my tape measure out again.

 

[Tsundere]

Just found this - https://www.wtb.com/pages/tire-rim-fit-chart

According to WTB 19mm rims can take most tyres up to 50mm.

 

[SteelNipple]

From Veloflex website - blog "Tires/rims coupling according to E.T.R.T.O. standards 2022"

 

[Tsundere]

From Veloflex website - blog "Tires/rims coupling according to E.T.R.T.O. standards 2022"
View attachment 954479

Now I'm confused