Wintersocks Blackout Optie:FIST Socks Black L-XL, black 5" and 29" compatible /

5" and 29" compatible / geo adj

These red platelets are more efficient than standard products and improve the efficiency of systems that require greater stop power

Custom decal kits available to match most bikes

The SRAM RED eTap AXS™ front derailleur leverages our advancements with X-Range™ gearing

Wintersocks Blackout Optie:FIST Socks Black L-XL, black 5" and 29" compatible /Material: 78% Combed cotton, 19% Polyester, 3% Spandex Premium super soft cotton with stretch mesh ventilation construction creates maximum airflow to keep your feet cool and dry. Fully cushioned foot and smooth comfort toe seam. Targeted arch compression prevents bunching and helps keep your sock from slipping.