Enduro Bottom Bracket Bearing Replacing Tool
1. Bearing Guide; 2. Collet; 3. Collet Expander; 4. Cup Holder; 5. Support; 6. 8mm Bolt.
Pop in the collet
Push the collet expander all the way in
Place into the cup holder
Thread on the 8mm bolt.
Tight the bolt until the bearing pops out.
Unthread the bolt to remove the bearing cup.
Clean the cup.
The $12/pair Enduro bearings.
Put the bearing guide into the cup holder, the right side facing up.
Put in the bearing, which should fit nicely.
Place the bearing cup on top.
And the support.
Thread on the 8mm bolt. Tight the bolt until the bearing is fully seated.
Cup with new bearing.
And a good tightly-fit seal.