Originally Posted by
stingray66
ok going to try the on a older tire right now as I really do not want to mess up my new schwalbes also looking online at trainer tires BUT none to be had foe 27x1-1/4 tire I do NOT understand Why that six
ze is so hard to get as most bikes I have seen ride on the 27 tires
27" AKA 630 mm Bead Seat Diameter has been almost killed off by 28" AKA 622 mm BSD.
Still available - particularly tires - but not the manufacturer's 1st choice since years if not decades.
If you're seeing mostly 27" your experience is an exception.