... ''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1 ... /4'', 1''x1/8'', 1 1/4''x1/8'', 1 1 ... , 40, 41.25, 60, 80mm etcUS standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. 3Twisted Cross ... Bar Pitch38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4 ...