6
Carbon frames have a 46 mm I.D. bottom bracket bearing system press interface. The shell width is 83mm.
maintenance
In general, you should inspect the condition of the bearings annually (at a minimum) or anytime the crankset
assembly is disassembled , serviced, or if a problem is indicated.
To inspect, when the crankset is removed, rotate the inner bearing race of both bearings; rotation should be
smooth, and quiet. Execesssive play, roughness or corrossion indicates a damaged bearing.
removal
To avoid serious damage to the frame, it is important to remove bearing systems very carefully using proper
tools indicated by the manufacture’s service instructions. Make sure the bearings(cup or adpater parts) are
driven out squarely and evenly from inside the shell!!! Do not pry components from shell.
replacement
PressFit BB30 bearings are not removable from the adapters or cup systems that are pressed into the frame
bottom bracket shell. Therefore, damaged bearings must be removed and replaced as new entire sets. Before
installing any new bearing units into the shell, thoroughly clean the inside surface of the bottom bracket shell
with a clean dry shop towel. Also, make sure both bearing units and the BB shell surfaces are clean and dry.
Do not apply grease to either.
Follow the manufacture’s instruction for assembly and installtion of the bearing system. Use a headset press
such as Park Tool hhP-2. See http://www.parktool.com/product/bearing-cup-press-hhP-2 Select appropriate
press and adapters to ensure that force is only applied to the cup and not the bearing inside. Press until the
both cup flanges are mated to the BB shell edge.
noTICe
Consult with your Cannondale Dealer on the quality and compatibilty of any proposed replacement
component.
Make sure the PRESSFIT BB30 30 system is intended for use with with a 46 mm I.D. BB shell. Confirm
acutal part dimensions with a micrometer.
Do not use chemical solvents to clean. Do not remove frame material or use surfacing tools on bottom
bracket shell.
Frame damage, caused by improper components, component installation or removal is not covered by your
warranty.
sCalpel sI Carbon
boTTom braCKeT - pressfIT bb30
