第1个回答 2015-06-25
分数制尺寸:---------------------------------------------分数制 ISO28 x 1 1/2..............635 mm27 x anything..........630 mm26 x 1 (650C)..........571 mm26 x 1 1/4...............597 mm26 x 1 3/8 (S-6).......597 mm26 x 1 3/8 (E.A.3)....590 mm26 x 1 1/2 (650B).....584 mm26 x 1 (650C)...........571 mm26 x 1 1/2 (F.12)26 x 1 3/4 (S-7)24 x 1......................520 mm24 x 1 1/8................520 mm or540 mm!24 x 1 1/4................547 mm24 x 1 3/8 (S-5)........547 mm24 x 1 3/8 (E-5)........540 mm20 x 1 1/820 x 1 1/420 x 1 3/8................451 mm20 x 1 3/4................419 mmv17 x 1 1/4...............369 mm16 x 1 3/8.................349 mm16 x 1 3/8.................337 mm16 x 1 3/8.................335 mm16 x 1 3/4.................317 mm12 1/2 x anything.......203 mm10 x 2 ......................152 mm8 x 1 1/4 ..................137 mm---------------------------------------------