There is no mystery - silicone oil is the only lubricant for drones and quadcopters. Will not react with rubber o-rings or plastics because silicon oil is free of mineral oils. NEVER use cheap mineral oils.
Racing Drone Quadcopter Brushless Motor Grip Pliers - 13XX to 23XX - UK STOCK
Racing Drone Quadcopter 2204 2205 2206 Motor Guard with Landing Gear - UK STOCK
Pwshymi 5.8GHz FPV Drone Antenna 2.5 Dbi with Durable Plastic Shell for RC FPV Racing Drone Quadcopter 85mm (Black)
EMAX Tinyhawk 3 Plus Freestyle Drone RTF Kit Ready To Fly FPV Analog Drone Mini Racing Quadcopter Durable Carbon Fiber Frame with Controller and Goggles for Kids Adults Beginners
EMAX Tinyhawk 3 Plus Drone RTF Kit Ready To Fly FPV Analog Drone Mini Racing Quadcopter with Controller and Goggles for Kids Adults Beginners
EMAX Tinyhawk 3 Plus Freestyle Drone RTF Kit Ready To Fly FPV HD Zero Drone Mini Racing Quadcopter Durable Carbon Fiber Frame with Controller and Goggles for Kids Adults Beginners
