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Howitzer XR Bottom Bracket


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Currently out of stock until .

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The Howitzer Bottom Bracket System is purpose-built for Freeride and DH abuse, with CNC machined AL-6061 cups, a chromoly spindle and extreme strength throughout. Oversized cartridge bearings produce a super durable external BB system that's also agile. You can even switch bikes but keep your favorite cranks by getting a Howitzer BB that fits your new ride.

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  • Bombproof for extreme use
  • Features oversized cartridge bearings to produce a super durable external BB system
  • Purpose-built with CNC machined AL-6061 cups, chromoly spindle, and extreme strength by design
  • Super strong Howizter spindle
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BB-frame interface English/BSA 68mm, English/BSA 73mm, English/BSA 83mm
Chainline 51.0mm, 56.0mm, 57.5mm
Spindle length n/a
Support E-type FD n/a, Yes
Crank-BB interface Howitzer
Bearing type n/a
Spindle diameter n/a
Cup material n/a


Installation. Service. Compatibility. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub.

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Howitzer XR Bottom Bracket

Howitzer XR Bottom Bracket