English Explanatory Dictionary

bottom bracket

English dictionary entry

Meanings

noun
  1. A bicycle part that connects the crankset (chainset) to the frame and allows the crankset to rotate freely.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-bottom bracket.wav

Word forms

bottom bracket bottom brackets

Etymology

From earlier bicycle designs, when it was a separate piece bolted onto the bottom of the frame. In modern designs the bottom bracket shell (or housing) is an integral part of the frame.

Synonyms

BB

Related words

spindle
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
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