Initial Assessment

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Initial Assessment
Too loose
Grinding
Too tight
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BB is a common acronym for a Bottom Bracket.

Bottom_Brackets



Identifying the type of Bottom Bracket is vital in ensuring that you make the right assessment. The following are the main different types you will encounter:

1) Open /Loose Bearing BB

2) Sealed/inboard BB

3) Outboard BB

4) BB30 and BB90


Common BB problems are finding them to be too loose, grinding or too tight.



 

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