Wheel with hub 19t. (TWN) - JAWA 350 634-640, ČZ 471-472 Can be used for: ČZ ČZ 250 type 471 ČZ ČZ 350 type 472 JAWA 250 Bizon type 623 JAWA 350 Bizon type 633 JAWA 350 type 634 JAWA 350 type 638 TS JAWA 350 type 639 TS JAWA 350 type 640 JAWA 350 type 640 Tramp JAWA 350 type 693 (640 Chopper)