Roller Chain; 3/4" Bore; 40 Chain Size; 17 Teeth; Ball Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Glass Reinforced Nylon

Roller Chain; 17MM Bore; 40 Chain Size; 17 Teeth; Ball Bearing; 12.7MM Chain Pitch; 1 Row of Teeth; Glass Reinforced Nylon

Roller Chain; 5/8" Bore; 40 Chain Size; 17 Teeth; Ball Bearing; 1/2" Chain Pitch; 1 Row of Teeth; Glass Reinforced Nylon