Skip to content

Instantly share code, notes, and snippets.

@skalnik

skalnik/instructions.md

Last active June 27, 2021 04:44
Show Gist options
  • Star 4 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save skalnik/fc52a49b3c6fb1e60af5 to your computer and use it in GitHub Desktop.
Save skalnik/fc52a49b3c6fb1e60af5 to your computer and use it in GitHub Desktop.
Download ZIP
Shimano Ultegra Crankset in Chris King PF30 Bottom Bracket
Raw
instructions.md

Installing a Shimano Ultegra Crankset (24mm spindle) in a Chris King PF30 Bottom bracket

Initial BB

Remove black plastic inner sleeves from Bottom bracket

BB w/o plastic sleeves

Lightly grease interface of adapter and press in by hand. Repeat on both sides.

BB installing adapters BB with adapters

Lightly grease crankset spindle and insert into BB. Be careful to not dislodge bearings or adapters.

Installing driveside crank

Lightly grease crank interface and push non-driveside crank onto crankshaft.

Installing non-driveside crank

Install plastic nut into end of crankshaft. Tighten with tool by hand. Its explicitly designed not to allow you to apply too much torque, so don't try to. If cranks have room to move, remove non-driveside crank and add spacer washer, and reinstall.

Crank nut thingy

Ensure plastic tab is shoved in all the way. If you can't push this in, make sure your cranks are 180º opposite of each other.

Plastic tab thingy

Tighten bolts at end of non-driveside crank, alternating side. Tighten to 12-14 Nm as per Shimano spec.

Tighten it down

All done!

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment