I'm going to oil bathe this shimano nexus 7.. the proffesional bike repair person I asked to do this for me sprayed wd40 in it, €80 later I decided to just buy
How to fit Shimano Nexus 7 Nexus 8 hub & Inter-M Roller Brake rear wheel Dutch Bike - YouTube
Shimano Rear wheel roller brake with cooling for Nexus 7/8 buy cheap ▷
Shimano Nexus 7 Speed Wheel Set with Shifter
Shimano SG-7R46 SL-7S10 Nexus 7 Speed Internal Geared Hub 26" Bike Wheelset NEW - Walmart.com