Roller Chain Sprocket; 80 Chain; 24 Teeth; 1 Row of Teeth; No Hardened Teeth; 8.196" Outside Diameter; 7.661" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 25 Chain; 24 Teeth; 1 Row of Teeth; No Hardened Teeth; 2.049" Outside Diameter; 1.915" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Nylatron Material