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