What tools do I need to remove a bottom bracket?

Bottom Bracket Removal Tool

• Crank extractor (Also referred to as crank puller) – This is necessary for most systems but some have a one-key release or self-extracting system.
• Bottom bracket removal tool.
• Allen key – ideally long length.

Are BB86 and BB92 the same?

BB86 vs BB92? No difference. They are one and the same bottom bracket. Well, BB86 refers to road bikes with their 68mm BB shell; BB92 refers to mountain bikes with their 73mm BB shells.

Is BB86 the same as BB90?

No difference. They are one and the same bottom bracket. Well, BB86 refers to road bikes with their 68mm BB shell; BB92 refers to mountain bikes with their 73mm BB shells. BB90 is Trek’s proprietary standard and is the odd one out here.

How do I remove the bearings from the bottom of brackets?

Strike the end of the driver repeatedly with a steel hammer to remove the last bearing adaptor. For bottom brackets using bearings with an inside diameter between 22mm to 24mm, use the Park Tool BBT-90.3. Insert the small end of the tool through the bottom bracket. Pull until the expanding end clicks and engages inside the bearing cup.

Can I use a press fit bottom bracket removal tool?

Many press fit bottom brackets are designed so a removal tool must be seated against the bearing. Striking the tool can cause deformations to the cup and the bearing system, which can negatively affect the performance of the bottom bracket system.

What tools do I need to service a BB30 bottom bracket?

Tools required to service a BB30, BB86 or BB92 bottom bracket. Allen keys up to 10/12mm. Resin and rubber mallet. Grease. Torque wrench. Budget option: Wood blocks and drifts, plus a hammer. Professional option: BB30 tool (e.g. Park Tool BBT-39) or Press-Fit cup drift (e.g. Park Tool BBT-90) depending on bottom bracket type.

How do you install a BB92 bottom bracket?

All you need is a light smear across the 10mm where the bearing cup sits inside the BB shell. This tool is housed in a robust plastic shell with hard and durable – and flexible – closing clasps. The retaining cup is used for both installing and removing a BB92 bottom bracket.