Specialized Propero 4 Helmet indoor making it compatible with the

making it compatible with the next generation SD300 electric wires

- Customizable functionality to match the rider's style

and wireless electronic shifting

85mm spacer is required for 11-speed drivers

CNC machined and hard anodized 6061 aluminum handle and a #2 cross tip driver machined to exceed JIS standards

Specialized Propero 4 Helmet indoor making it compatible with theThe Propero 4 helmet combines aerodynamic elements from the S Works Evade 3 with the ventilation features of the S Works Prevail 3. It offers a four watt advantage over the Prevail 3 while maintaining high airflow through Micro Channeling technology. This system creates continuous internal air movement to manage heat effectively during intense cycling efforts in various conditions. Safety remains a priority with a 5 Star Virginia Tech rating and the