LEZYNE Twin Speed Drive CO2 Bicycle Tire Inflation System w/Cartridge Bike Accessories_Saddle Covers The extremely resistant polyester fiber

The extremely resistant polyester fiber is woven tightly crosswise

This geometry is intended to provide a more comfortable riding position

proven comfort and highly efficient transfer that delivers premium performance

CHAFING-FREE TRI PERFORMANCE

5:1 ratio design for best aerodynamic advantage

LEZYNE Twin Speed Drive CO2 Bicycle Tire Inflation System w/Cartridge Bike Accessories_Saddle Covers The extremely resistant polyester fiberCNC machined aluminum dispenser with brass internals. Slip on valve operation allows for quick inflation. Twin Slip Fit head presses onto Presta or Schrader valves. Two piece head allows for easy O ring replacement. Neoprene sleeve insulates hand from cold during discharge. Compatible with threaded CO2 cartridges. Includes one 16g or 25g cartridge.