Fits all Ladybug and Flatiron spinning wheels.

For Ladybug wheels

1. Remove the old bearing and housing: Insert the shaft of a screwdriver through both holes in the black housing. Unscrew the housing from the propell nut in the Ladybug's rear legs.
2. Install the new bearing and housing: Insert the shaft of a screwdriver through both holes in the black housing. Screw the housing into the propell nut in the Ladybug's rear legs.

For Flatiron wheels

1. Remove the old bearing and housing: Insert the shaft of a screwdriver through both holes in the black housing. Use a wrench to remove the slim lock nut at the back of the rear maiden. Remove the washer and the housing from the rear maiden. You'll reuse the old washer and lock nut; you can discard the old bearing and housing.
2. Install the new bearing and housing: Insert housing from the front of the rear maiden. Hold the From the back of the rear maiden, add the washer and lock nut. Insert the shaft of a screwdriver through both holes in the black housing, to hold the housing in place. Use a wrench to tighten the lock nut until the housing sits against the rear maiden.