Roller Chain Sprocket; 12B-2 Chain; 27 Teeth; 2 Row of Teeth; No Hardened Teeth; 174.422MM Outside Diameter; 164.09MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 10B-1 Chain; 27 Teeth; 1 Row of Teeth; No Hardened Teeth; 145.364MM Outside Diameter; 136.74MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 15.875MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material