Traxxas Speedcube Lubricant by the Cubicle Labs
Product description reproduced with permission from the Cubicle
Cubicle Traxxas Silicone is a heavier differential oil that is typically used around the screws and springs of the cube in the core.
Cubicle Traxxas differential oil is 5ml /5cc in size and comes in the form of a syringe with a twist-off lock cap, as well as a green dispensing tip for lubing hard-to-reach places.
Disclaimer: Although the lube is perfectly safe to touch, please do not ingest it, set it on fire, or expose it to extremely high temperatures.