Named after the multiple headed serpent from greek mythology, the Hydra stem really is a beast of many heads. Available in two rise and two clamping options, as well as utilising shark tooth clamping (STC) inside the stem body to provide a vice like grip, the Hydra is one stem that wont be letting your bars slip any time soon.MATERIAL:6061-T6 alloy, full cnc machinedSTEERER TUBE:1.1/8" threadless clamp-onREACH:50mmRISE:30mm, 36mmCLAMPING:22.2mm, 25.4mmWEIGHT:336g (12.9oz)color:BlackFeaturesWider 48mm cap for improved clampingMaterial saving and unique look recessed top cap section for flush fitShark tooth clamping (stc) linear knurling to prevent bar slipLarger head bolts for more clamping powerUnique offset rear for improved clamping