ETRTO (European Tyre and Rim Technical Organisation): Tire width [mm] - Rim diameter [mm]

Inch: Tire outer diameter [very roughly in inch] x Tire width [inch] x (optional: Tire height [inch])

French: Tire outer diameter [very roughly in mm] x Tire width [mm]

ETRTO	INCH	FRENCH
47-93	7 x 1 3/4	-
47-203	12 1/2 x 1,75	-
54-152	10 x 2	-
37-288	14 x 1 3/8	350A Confort
44-288	14 x 1,75	350 [x 42] A
54-305	16 x 1,95 [2]	-
57-305	16 x 2,125	-
37-340	-	400A Confort
37-390	18 x 1 3/8	450 x 35A [450A Confort]
57-390	-	450 x 55A
32-406	20 x 1,25	-
50-406	20 x 1,95 [2]	-
54-406	20 x 2,1 [2]	-
57-406	20 x 2,125	-
28-440	-	500 x 28A
37-440	-	500A Confort
37-489	22 x 1 3/8	-
28-490	-	550 x 28A
37-490	-	550A Confort
50-507	24 x 1,9	-
25-540	-	-
25-541	-	600 x 25A
28-541	-	600 x 28A
37-541	-	600A Confort [600 x 35A]
62-559	26 x 2,5	-
35-584	26 x 1 1/2	650 x 35B
44-584	26 x 1 1/2 x 1 5/8	650B Semi Confort
		650 x 42B
28-590	-	650 x 28A
35-590	-	650 x 35A
18-622	-	700 x 18C
40-622	28 [1 5/8] x 1 1/2	700 x 40C [38C]
37-700	30 x 1 3/8 x 1 5/8	-

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