HPI-114569 High Speed Gear Set (Sport3) Optional high speed gearing set for the RS4 Sport 3.
Add this to your RS4 Sport 3 Flux together with the HPI Plazma 3S LiPo battery pack #106401 to propel you car to insane high speeds of 70mph.

Set includes a 53T spur gear and 44T pinion gear.

Please note: This high speed gear set is intended for high speed running only and is not recommended for repeated stopping and starting.