Originally Posted by
pastorbobnlnh
My first Paramount was a '66 P13 and was a 25". It turned out it was too big and I ended up not riding it the way it should. I've been very happy selling it and buying a 24". It made a great difference. YMMV!

All of my adult life, my size has been 23", or 58 cm. Lately I'm finding that a 57 fits me best, with 56 being decidedly too small.
Those are two beauties, btw.