How to install BB92 Bottom Brackets
How to install BB92 Bottom Brackets
Installation of press fit BBs or frames with BB shells using an inner diameter of 41mm.
Shell widths may be 86.5, 92mm, 104.5mm or 107mm.
Written By: The Hive
TOOLS:
BB92 intstall tool (1)
PARTS:
grease (1)
punch (1)
threaded bearing press (1)
© 2014
service.bythehive.com
Page 1 of 7
How to install BB92 Bottom Brackets
Step 1 — How to install BB92 Bottom Brackets
BB92 install, skip ahead to step 7 for removal
Start by measuring your BB shell
89.5mm shells will use a 2.5mm spacer under the drive side cup, 92mm shells will not
Step 2
Grease the BB shell. For carbon
frames carbon prep is
recommended
© 2014
service.bythehive.com
Page 2 of 7
How to install BB92 Bottom Brackets
Step 3
If your BB shell is 89.5mm wide, install the silver 2.5mm spacer onto the drive side cup
before install
92mm wide frames do not use the spacer
Step 4
Remove the plastic bearing spacer from the cup/bearing assembly.
Slide the cup into the frame as far as it will go. It should just start to go into the frame.
© 2014
service.bythehive.com
Page 3 of 7
How to install BB92 Bottom Brackets
Step 5
Place the tool over the cup
Make sure the black bearing
spacer has been removed.
Pressing in the bearing with the
spacer installed can damage the
bearings
© 2014
service.bythehive.com
Page 4 of 7
How to install BB92 Bottom Brackets
Step 6
Use a bearing press to slowly
press in the BB cup, by sure the
cup goes in straight
In this case we our using a Hive
bearing press tool, many other
threaded bearing presses will work
however
On the other side of the tool we
are using a flat plate against the
frame
Tighten until the cup is pressed in
all the way
check the cup all the way around
to make sure it is flush with the
BB shell
Do not over tighten the cup,
especially on carbon frames.
Tighten the cup until it is flush
with the frame and no more
Repeat with the other side of the
BB shell
© 2014
service.bythehive.com
Page 5 of 7
How to install BB92 Bottom Brackets
Step 7
To remove the BB cup from the frame, start by removing the bearing spacer
Step 8
Insert the BB removal tool included with the BB into the cup
Be sure the side that says "BB92, this side out" is the side that is away from touching the
BB cup
the raised diameter in the center of the tool should fit inside the inner diameter of the BB
cup
© 2014
service.bythehive.com
Page 6 of 7
How to install BB92 Bottom Brackets
Step 9
Use a hammer and a punch to remove the BB cup from the frame
Never use the spindle of the crank as a punch as this can damage the cranks
Thanks for reading, now get out there and ride!
This document was last generated on 2014-09-05 07:42:57 PM.
© 2014
service.bythehive.com
Page 7 of 7