The Kinekt Suspension Stem is designed to reduce arm, wrist, and shoulder discomfort. Adjustable, Compact, and built to last. Significantly reduces high-frequency vibration felt through the handlebars due to uneven terrain Provides 15-20mm of travel for comfort and control Includes 3 different springs to adjust to your riding style and terrain; Soft, Medium (Installed) and Firm 50 Degree rise Specifications Bar Clamp Diameter (mm)31.8ColorBlackDefined ColorBlackLength100MaterialAluminumRise50S.H.I.S. Stem Clamp Diameter28.6Stack Height40