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