Silca EOLO IV CO2 Inflator - Green/Grey D4 The tail of the helmet

The tail of the helmet also has an aerodynamic purpose

with a generous 23mm internal width

indicates a compromised tubeless seal

Includes Shimano SM-SH11 yellow cleats (6° float)

resulting in a tuned flex profile that cannot be achieved with aluminum

Silca EOLO IV CO2 Inflator - Green/Grey D4 The tail of the helmetThe simple solution to roadside inflation. Thread the cartridge on, press it onto the valve, and air is in your tire. No nonsense approach that you can count on to get you home in a pinch. In 1982 SILCA developed the first regulated CO2 inflator. As Claudio himself explained, 'Before EOLO, you had to turn the cartridge and pray!' Giving the user the ability to regulate the flow of gas into the tire was the key to widespread adoption of compressed gas