Bombproof for Freeride and DH extremes. 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.
- Sealed oversized cartridge bearings
- Material Axle: Chromoly H/T
- Material: CNC machined Steel, CNC machined Alloy
Howitzer Bottom Bracket System
Hit me, beat me, hurt me. Thank you. 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.
|BB-frame interface||English/BSA 100mm, English/BSA 83mm, English/BSA 68mm|
|Chainline||56.0mm, 66.0mm, 51.0mm|
|Support E-type FD||n/a|
Installation. Service. Compatibility. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub.Visit product service page