Guide Bars for RZ60 Concrete Chainsaws Replacement Guide Bars for ICS RZ60 Concrete Chainsaws 10" Guide Bar (P/N 517689): $119.95 Free Ground Freight Continental U.S. On all ICS Concrete Chainsaws, Chains, & Guide Bars Transit time estimate based on normal business days. All ICS Diamond Chains Buy any TWO ICS Diamond Chains and get a matching Guide Bar FREE Click here for RZ60 Diamond Chains Chain Tensioning Tip Sheet Please Click Here Concrete Cutting Tip Sheet Please Click Here Chain Life Tip Sheet Please Click Here This ICS video shows proper chain tensioning.