width, mm	dimensions, inch	rim diameter, mm	remark
	20 x 1	432
	22 x 1	482
	24 x 1	532
	24 x 1 1/8
19	26 x 3/4	582
22 [25]	26 x 1
	26 x 1 1/8
	26 x 1 1/4
19	27 x 3/4	632	27'' = 28''
22	27 x 1		27'' = 28''
27	27 x 1 1/8		27'' = 28''

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