Originally Posted by
Weasel9
The front had two retainers that both look like the one on the non-drive side of the rear.
Yep, that's what Shimano shows for the front M770 hub:
http://bike.shimano.com/media/techdo...9830621050.pdf
I wonder how many here would recommend removing the bearing cages altogether and repacking the hubs with loose balls. Thoughts?