Bel-Ray Gear Saver Hypoid Gear Oil 80W-90. For case order quantity 12. Bel-Ray Gear Saver Hypoid Gear Oil 80W-90 is specially formulated to provide the best performance and wear protection for independently lubricated motorcycle transmissions and final drives. Shock loading normally associated with final drives is reduced when using Bel-Ray Gear Saver Hypoid Gear Oil. Application: For use in final drives and transmissions requiring hypoid gear oil and manual transmissions specifying oil in compliance with API GL-5. Not recommended for wet clutches.