RevTech Gear and Chaincase Lube is specifically designed for use in all XL and XR Sportster motors from 1971 onwards Use where the transmission and primary chaincase share a common lubricant The manufacturer recommends that the gear/chaincase lubricant is changed at the same time and mileage intervals as engine oil 1 litre bottle Formulated to meet the demands of Harley-Davidsons and bring you the latest in oil technology