Truvativ Howitzer XR Bottom Bracket 2012
This oversized external system is built for abuse. The bearings are 54% more durable than GXP and 138% more durable than GIGA Pipe bearings. CNC machined AL-6061 cups and chromoly spindle round out this workhorse of a bottom bracket. Truvativ Howitzer XR Bottom Bracket features Axle Bore Thread XR M 12, CNC-Machined Alloy L & R Cups in Pitch Black, and 2 x Sealed Oversized Cartridge Bearings.