Kore torsion v2 direct mount stemforged 3 piece stem designed specifically for a direct mount fork system features type direct mount compatible forks rockshox boxxerfox 40 design material al6061 t6 3d forged front plate 4 bolt rise 0 bar bore 31 8mm steerer clamp 1 18 weight 128gbuykore componentsfrom chain reaction cycles the worlds largest online bike store