We The People Hydra Stem material: 6061-T6 alloy | full cnc machined reach: 50mm rise: 30mm stack height: 31,5mm steertube size: 1 1/8 inch bar clamp size: 22,2mm style: topload color: black additional information: Shark Tooth Clamping (STC) linear knurling to prevent bar slip unique offset rear for improved clamping, material saving and unique look recessed top cap section for flush fit larger head bolts for more clamping power