MARTIN SPROCKET & GR
820A23 ROLLER CHAIN SPROCKET ; 800 SERIES A TYPE HUB
815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB; 1-1/2" Pitch; 23 Teeth; 5.59" Outside Diameter; 5.56" Pitch Diameter; A-No Hub; Rough Bore; Round; Straight Running | Back Flexing; Cast Iron
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