12B17 MSG

Metric B style sprockets are flat sprockets with a hub extension on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and harden teeth are quick alterations that can be made.

Martin Roller Chain Sprocket, Type B Single Strand Solid Stock Bore, 16 to 52 mm Bore, 115.421 mm OD, #12B-1 Chain, 17 Teeth, 19.05 mm Pitch, 103.674 mm Pitch Diameter, 80.01 mm Diameter Hub, 35 mm Length Through Bore, Steel