Speedix is one of the three special types of wings that come with Believix. These wings give a speed boost and is mostly used to quickly follow something or to get somewhere fast.
- Season 4 Episode 9 (Nebula) - Used when the Winx followed the possessed Roxy.
- Season 4 Episode 11 (Winx Club Forever) - Used by Stella and Flora to follow the robbers.
- Season 4 Episode 14 (7: The Perfect Number) - Used to get to the dock very quickly.
- Season 4 Episode 16 (A Virtual World) - Used to reach the animal shop faster in the Winx Game.
- Season 4 Episode 17 (The Enchanted Island) - Used by Bloom to escape the monsters and search with Roxy for the room where The White Circle had to be placed.