Truvativ Howitzer XR Bottom Bracket

We no longer keep this bottom bracket in stock, but it remains in our stock list and we can probably order it when needed.

Bombproof ISIS bottom bracket for extreme use. Fits 68/68e/73/73e bottom bracket shells.

Bearing inside diameter 21.1mm. Weight (including crank bolts): 372g.
  • Features oversized cartridge bearings to produce a super durable external bottom bracket system.
  • CNC machined AL-6061 cups
  • Super strong Howitzer heat treated cromoly spindle
  • Extreme strength by design
  • Includes crank bolts
  • 2 x sealed oversized cartridge bearings
  • Axle bore thread: M12
  • Colour: black
  • Suits 68mm or 73mm bottom bracket shells
  • Spindle Length: 138mm

The Howitzer bottom bracket system is purpose-built for freeride and downhill abuse, with CNC machined AL-6061 cups, a cromoly spindle and extreme strength throughout. Oversized cartridge bearings produce a super durable external BB system.