IT is new S-A is 100 years old .. too Bad you cant learn any mechanics over the Web
tools needed: 1_15mm wrench and your fingers ..
unscrew the thing on the shift chain , then unscrew the axle nuts..
will that be cash or do I charge your card for this service?
ask Google about the Sturmey Archer AW3 hub
and you get this :
https://www.google.com/search?q=Stur...hrome&ie=UTF-8