Kyosho Universal Swing Shaft (2-Piece Set/Optima) OTW125C

Improved driving efficiency and a 3mm wider tread. By changing the position of the included 1.5mm red collar, it is also compatible with the Ultima, Turbo Optima, and Optima Mid, allowing for a wider camber angle setting range than before. *The tread will not be widened when used with the Ultima, Turbo Optima, or Optima Mid.

*This product does not include fuel, batteries, charger, paint, adhesives, oil, grease, tools, etc. Improved driving efficiency and a 3mm wider tread. By changing the position of the included 1.5mm red collar, it is also compatible with the Ultima, Turbo Optima, and Optima Mid, allowing for a wider camber angle setting range than before.