Originally Posted by
dehoff
One just needs to be aware of what "size" they're actually buying. I have a pair of 28c Serfas Secas and they're actually narrower than the 25c Conti GP 4000 I have on another bike. I knew the Serfas were narrow, but if I had thought they actually were a 28c I would have been pretty upset with the purchase.
Absolutely. Sizing consistency among tire manufacturers is about as bad as it is with clothing makers.