Drivetrain parts

Bottom Brackets

Bombtrack T47 BB Internal 30 mm 1
T47 Bottom Bracket Internal 30 mm

Our T47 Internal Bottom Bracket is made to fit the modern-day wider BB shells starting at 86.5 mm.

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Bombtrack T47 BB External 30 mm
T47 Bottom Bracket External 30 mm

Made to perfectly fit those narrow 68mm T47 BB shells.


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Spindle Adapters

To convert our T47 Bottom Brackets for various cranksets.

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Bombtrack T47 Combo Tool 1
T47 Bottom Bracket Combo Tool

Reliable steel tool to install our T47 Bottom Brackets.

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