An oil change should be annually carried out or at least every 5000km. Through this process it can be safe to say that there will always be enough oil in the hub regardless of oil loss (due to sweat oil) and that any penetrated water will be rinsed out.
This Product consists of:
Description: Part No.:
25ml cleaning oil in a 50ml bottle 8402
25ml all seasons oil 8403
Drain screw with new seal 8205