Model: 06B-1,08B-1,10A-1,12A-1,16A-1,06C-1,08A-1 Roller Chain. Pitch: 06B-1 (9.525), 08B-1 (12.7), 10A-1 (15.875), 12A-1 (19.05), 16A-1 (25.4), 06C-1 (9.525), 08A-1 (12.7). 2、Inner section width, this part is related to the thickness of sprocket.
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