Fat Bike


Machined cups thread together for stability, increased bearing life, and simple installation and maintenance. Choice of ABEC-3 or Angular Contact Enduro bearings.

No more creaking. Smooth operation. Fast bearing replacement.

PressFit-41 (PF41) bottom brackets for Fat Bikes with 121mm and 132mm shells.

  • For use with 24mm spindle cranks (Shimano HollowTech II) and 22/24mm spindle cranks (SRAM, Truvativ GXP).


PF41 Fatbike BB

Available Now

PressFit-30 (PF30) bottom brackets for Fat Bikes with 121mm shells.

  • For use with 30mm spindle fat bike cranks

PF30 Fatbike BB

Available Now

Fat Bike Bottom BracketsPF30 PartsFat Bike BB ToolsFat Bike BB Tech Info