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 MACHINED STEER TUBE:1.1/8“ THREADLESS CLAMP-ON REACH:50MM RISE:30MM OR 36MM CLAMPING:AVAILABLE WITH REGULAR 22.2MM OR OVERSIZE 25.4MM CLAMPING AREASPECIAL FEATURES:• WIDER 48MM CAP FOR IMPROVED CLAMPING• MATERIAL SAVING AND UNIQUE LOOK RECESSED TOP CAP SECTION FOR FLUSH FIT• SHARK TOOTH CLAMPING (STC) LINEAR KNURLING TO PREVENT BAR SLIP• LARGER HEAD BOLTS FOR MORE CLAMPING POWER• UNIQUE OFFSET REAR FOR IMPROVED CLAMPINGWEIGHT:336G (12.9OZ) COLORS:BLACK/