Bottom bracket

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Revision as of 23:40, 17 July 2007 by Lacey (talk | contribs) (→‎Types)

Bottom Brackets are what your crank arms attach to spin.

Types

Cartridge or Sealed

Identified off the bike by the roughly 1" tubing around the axle.

Cup & Cone/ Unsealed

These have a lock ring and have either a threaded or cotter pin axle.

One Piece

Commonly found on inexpensive BMX bikes.

References