MARTIN SPROCKET & GR
820A25 ROLLER CHAIN SPROCKET ; FLAT TOP MODULAR
815 | 820 | 831 | 4705 | 4706 | 4707 | 5705 | 5706 | SSB; 1-1/2" Pitch; 25 Teeth; 6.07" Outside Diameter; 6-1/32" Pitch Diameter; A-No Hub; Rough Bore; Round; Straight Running | Back Flexing; Cast Iron
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