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
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