Here is 1 replacement 10 inch chain that fits Chicago Lynxx 10" bar Chain made by Oregon. saw chain 90PX040. SALE $16.29 each and FREE Shipping.This chain is 3/8 low profile .043 gauge and 40 drive links. This fits .043 gauge bar used on 10 inch bars on newer Ryobi electric and some gas pole saws. It will be imprinted on the bar (1.1MM) or .043 40 DL.This is the Oregons newest Low-kick chain (90PX series feature low vibration chamfer chisel cutters with twin cutting corners for excellent performance and edge holding durability.This narrow .043 gauge chain -matched with a micro-lite bar is 15% lighter. Ideal for occasional users, arborists and orchardists. 90PX utilizes a bumper drive link to achieve its low kick-back rating (Instead of the old type guard in between the cutter teeth)