Which oil to use in sensodrive gearbox?

For a Sensodrive gearbox, it's essential to use the manufacturer's recommended oil, typically a specific type of synthetic or semi-synthetic gear oil. Commonly, oils with an API GL-4 or GL-5 rating are suitable, but always consult the owner’s manual or manufacturer specifications for the exact viscosity and type. Using the correct oil ensures optimal performance and longevity of the gearbox.