- A-arm suspension arm gives your model a low center of gravity

Run your HPI kit with other drivers without worrying about frequencies

Maximum power output is achieved thanks to near-minimum resistance measurements and a high-strength balanced rotor

Some of them are designed with linkage articulation gimmicks

Exotek Racing - F1 Ultra Front Damper Tube Sets ASC30125 - A-arm suspension arm givesLightweight damper tubes for the F1 Ultra to minimize bumpy asphalt track conditions. Extra lightweight, positioned for low center of gravity, and tucked away to avoid frontal impacts for more durability. Machined POM barrels and alloy tubes with included steel ball ends. Requires heavy weight silicone lube 1mil to 2mil.