The Park Tool BBT-90.3 Press Fit Bottom Bracket Bearing Tool Set is designed for installation and removal of the bearings and bearing units used in
most press fit bottom brackets that use a 22 or 24 mm spindle, including BB90 and BB92 systems. The BBT-90.3 includes a bearing removal tool and
two bushings, which are used in conjunction with a Park Tool Bearing Cup Press (HHP-2 or HHP-3) to press the bearings into the bottom bracket shell.
BEARING REMOVAL
1. Insert and pull removal tool through bearing or
bearing/sleeve unit until flared end of tool snaps
behind bearing or sleeve.
2. Strike tapered end cap with hammer to drive
bearing or bearing/sleeve unit from frame.
3. Repeat steps 1 and 2 on opposite side to remove
second bearing or bearing/sleeve unit.
BEARING INSTALLATION
1. Assemble installation bushings, bottom bracket
bearings, bottom bracket shell, and headset
press as shown.
2. Turn handle of bearing cup press, making sure
the bushings, bearings, and bottom bracket shell
stay aligned. Continue pressing until each bearing
bottoms against the stop (a snap ring or machined
stop) inside the bottom bracket shell.
PARKTOOL.COM/BBT-90.3
BBT-90.3
Instructions / Instructions / Anleitung / Instrucciones
BBT-90.3 Press Fit Bottom Bracket Bearing Tool Set
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