Martin Sprocket & Gear 50BTL302012 Taper Lock Sprocket is a 30-tooth, 2-1/2-inch bore taper-lock sprocket. Designed for mounting on compatible taper-lock hubs in power-transmission assemblies. Part number 50BTL302012 identifies this specific 30-tooth, 2-1/2-inch bore taper-lock sprocket from Martin Sprocket & Gear.
