H.I.P stands for Hidden Internal Piston, which uses the force of the front 4 allen bolts against an internal piston to clamp the bars to the stem, whilst simultaneously clamping the stem on the fork tube. 

• 6061 Alloy 
• CNC machined
• Front load 
• 1-1/8 Steer Tube
• 45mm Reach
• Made in the USA
• Weight: 9.8oz/278g