XLAB Stealth Pocket 400c

Aerodynamic Design Optimal airfoil shape reduces drag caused by stem and headset spacers with no increase in frontal area 5:1 ratio design for best aerodynamic advantage Super smooth, non-porous, low friction exterior reduces drag Focus on the Road: Smarter Features for Carefree Storage Two large, Super-Slide zippers for ease of access even when race day adrenaline is at its peak Silver colored interior makes it easy to find contents Installs Quickly and Stays in Place Three long Velcro straps conform to a variety of top tube shapes Non-slip bottom grips top tube with 17lbs of grip force Structured inserts hold aero shape