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