The Silkolene Gear Oil Medium is an advanced gear oil for wet or dry clutch transmissions.Advanced gear oil for wet or dry clutch transmissionsReduces dragCombats clutch slipProtects highly stressed componentsSAE 85W-90The Silkolene Gear Oil Medium is specially designed for use in wet or dry motorcycle clutch transmissions. This gear oil reduces drag, combats any clutch slip and also protects highly stressed components. SAE 85W-90. This gear oil has a crankcase rating of SAE 20W-50.GL3 / GL4 Motorcycle applications only SAE 85/SAE 901 Litre.