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what manufacturers say and what the tyre actually comes up at is completely rando
Yeah, this is why I started taking calipers to anything new I fitted and then posting about it so I'd be able to go back and check and work out if something might fit on a new bike or if I swapped wheels or whatever. Plus I figured it couldn't hurt to put actual measurements out there - more useful than claimed widths given the rim can influence final size.
hippy
Hah! I already took the Byways off, there's no fucking way I'm switching back... before a little jaunt on Sunday. But yeah i should probably measure the Compass and see what they actually are.
Of course, it may be that the knobbles are the reason they seem SO much smaller - i.e. the casing is way narrower, the knobbles take it out to 42.
I found this confusing with my Asda Tractor bike, took some fairly balloony 26x2.1 gravel/dry tread tyres off in cold weather to try some 26x 2.1 snow tyres, assuming they wouldn't fit nicely, but the casing was actually way smaller to account for the knobbles and spikes, the overall tyre was a good bit smaller. Again, what manufacturers say and what the tyre actually comes up at is completely rando.