Truvativ Howitzer XR Bottom Bracket (Black) (BSA) (68/68E/73/73E) (138mm)

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Price: $37.99

Spindle Length:

  • 138mm

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Unique design specifically for Truvativ cranksets that are designated Howitzer compatible. Combines external GXP type cups with heavy duty spindles used on some Truvativ three-piece cranksets.


  • 51mm chainline matches 113mm spindle with conventional three-piece cranks, 56mm matches 118mm
  • Sealed oversized cartridge bearings
  • Crank bolts included
  • Cast aluminum cups with black finish

Frame Interface: BSA/English Threaded
Spindle Interface: Truvativ Howitzer
Bottom Bracket Shell ID: 1.37
Shell Width: 68mm, 68E, 73mm, 73E   
Spindle Length: 138mm
Material: Chromoly
Color: Black
Weight: 365g