The Silkolene Motorcycle Comp Gear Oil features a race proven ester synthetic formulation that gives smooth gear changes, positive clutch action and reduced wear especially where aluminium plates are usedSemi Synthetic formula.Ester-based racing gear oil.Excellent protection against wear.Easy shifting even at extreme temperatures.The Silkolene Motorcycle Comp Gear Oil is designed to improve the power of your motorcycle and maintain consistent high performance. This gear oil provides superior protection and performance under even the most demanding race conditions.Specification - SAE 80W-90 - 1 Litre.