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Which Challenge tubulars are you using and how do they ride?
-I was looking at getting a few for two of my bikes.
jeff80-
These ones are Vulcano. I think they were one of the only tan wall tubulars I could find in 25mm wide.
They are a nice looking tyre. Tan colour is more yellow than tan, like they were in the 1980s. Nice and round all the way round, unlike, say, a Vittoria Rally which often has a bulge. More supple than a Continental Giro but I’d say it’s wearing out a bit faster. Only criticism is that the rubber perishes quite quickly in comparison to other tubs I’ve had. They don’t last more than about a year before developing some cracks.
I also had a pair of Strada Bianca which were an amazing old-looking tyre, with s nice colour tan wall and ribbed all round. They were really nice but only come in 30mm and the big size didn’t quite look right on skinny Fiamme rims. They would have been ideal otherwise, because they’re a tyre designed for Paris-Roubaix so built tough as hell with a really thick tread band.
Jonny69
My main bike is locked up at work so it’s inaccessible for the foreseeable. I’ve been sharing duty between my GT Edge lolwtfbbqbike and my 1938/39 Parkes. Funny thought that I might have been the only person out today track standing and skid stopping on an 80 year old bike!
These wheels are early 50s 32/40h Fiamme sprints with Challenge 25mm tubs - not too difficult to find at a sensible price if you’re looking for period rims. Double butted stainless spokes from Cycle Basket and early 50s Normandy round hole alloy hubs. I think if you’re sensible with your choice of tubs and carry a can of Pit Stop hidden in your spare tub bundle under your saddle you’ll be ok with tubs.