TruVativ Giga Pipe Team DH bottom brackets use a massive spindle for increased stiffness.Heat-treated chromoly spindle for increased stiffnessPrecision full-complement sealed cartridge bearingsM15 crank bolts included (unless noted)Requires TruVativ installation tool, TL2340Item SpecificationsWeight344gBB Thread TypeEnglishSpindle Interface TypeISISSpindle Length113mmBB Shell Width68,73mmDefined ColorBlack