Steel Stock Sprockets, Type QD (QD SPROCKET 100E48)
QD SPROCKET 100E48|Martin's stock sprockets are available in several styles. Type QD ("Quick Detachable") sprockets have a tapered bushing bolted into the machined bore. This bushing, when inserted into the sprocket, compresses onto the shaft, providing a tight grip. This model, 100E48, is a triple strand sprocket.