Shimano Nexus/Alfine 3, 4-, 7-, 8-, and 11-Speed Technical Information
Nexus 7 friction
shimano nexus 7 gear adjusting - YouTube
Shimano Inter 7/Nexus 7 disassembly – Matt Signorini's Blog
The Golden Wrench: The Servicing of an Internally Geared Hub
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 setup and adjust a Shimano Nexus Inter 7 hub gear bicycle DIY - YouTube