The most common difficulty is that the Schwinn 26 x 1 3/8 (I. S.O. 597 mm) interchanges with the British 26 x 1 1/4, not the British 26 x 1 3/8 (I. S.O. 590 mm). While the Paramount had proven itself the most successful schwinn ebike American racing bike of the 20th century, it became… Continue reading Schwinn Bike Shop in Sarasota, FL with Reviews