As shown in the photo, what tool do I need to take this rear hub apart? I assume I need a tool which will fit in the 4 notches. The problem I am trying to fix is that if you pedal, the rear cog spins ...
I'm trying to just add some grease to an old MF-Z012. some pages online says i can remove it just by spining the first gear agains the last one.(e.g. ...