TruVativ Holzfeller DH Cranksets feature a Howitzer BB-type that is a proprietary, TruVativ splined-spindle bottom bracket with external cups, using larger diameter bearings than GXP.
Holzfeller DH
Compatible with TruVativ BashGuard
9-speed compatible
Crank bolts included for all models
AL-7075-T6 anodized black chainrings, cold forged and CNC'd with anti-chainsuck features
Howitzer BB-type is a proprietary, Truvativ splined-spindle BB with external cups, using larger diameter bearings than GXP