First Components Fat Bike Bottom Bracket


A high-quality Bottom Bracket for use with most Fat bikes that use a 24mm spindle crank and threaded BB Shells.   


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First Components Fat Bike Bottom Bracket

This is a high-quality threaded (BSA) bottom bracket manufactured from high strength aluminum. The BB cups are compatible with various Race face, Shimano and FSA external BB systems, making for a great alternative to factory spec components. Features
  • 24mm Spindle
  • Interchangeable with select Shimano and FSA external MOUNTAIN BB systems.
  • Fully serviceable with BBEXITOOL
  • Designed for Fat Bikes with Threaded Shell and available in both 100mm and 120mm

BB Shell Width

100mm, 120mm


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