These look like a good tread for a fit-and-forget 700c tyre on the tourer and maybe also as a 650b commuting option for the cross bike. But fit in both cases might be tight for the Big Ben, and I’m not sure if the Little Big Ben will be fat enough to be a worthwhile improvement over a pair of 37s that I already have.

Is there any chance anyone could take a caliper to theirs and let me know how big they actually come up, and on what rim? Thanks.