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BB30 Bottom Bracket


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Ships after .

Currently out of stock until .

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BB30-named for its required spindle size-narrows Q-factor, increases ankle clearance, and ups bearing durability. Along with a 30 mm spindle, it requires an oversized 68mm or 73mm bottom bracket shell and PressFit bearings held in place by snap rings.

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  • Narrow Q-factor
  • More ankle clearance
  • Larger bearings for longer life
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BB-frame interface BB30
Crank-BB interface BB30
Bearing type Standard
Spindle diameter 30mm
Spindle length n/a
Chainline n/a
Support E-type FD n/a
Cup material n/a, Plastic


Installation. Service. Compatibility. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub.

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BB30 Bottom Bracket

BB30 Bottom Bracket