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.

Bombtrack T47 BB External 30 mm

T47 Bottom Bracket External 30 mm

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

Spindle Adapters

To convert our T47 Bottom Brackets for various cranksets.

Bombtrack T47 Combo Tool 1

T47 Bottom Bracket Combo Tool

Reliable steel tool to install our T47 Bottom Brackets.