“DSR” Hubs – for assembly with “AR” plate sprockets to create double-single of substance sprockets. Finish bore hubs have got standard keyway and 2 setscrews.
Ready Sprockets are a variety of sprockets and hubs drilled and tapped for basic, convenient assembly with regular hex head cap screws. For No. 35 through No. 100 Chain, with stock completed bore hubs to support shaft sizes through 2-3/4″ READY SPROCKET HUB TYPE DSR diameter, and also a variety of sq ., hex, spline, and tapered important bores.