Kyosho Front Spring Set (10) Rocket Engines the Rustler Ultimate is capable

the Rustler Ultimate is capable of running 2S to 3S LiPo with a top speed of 60+ MPH

making it perfect for high-speed racing or off-road adventures

88mm) Width 2

and longevity

With programmable model memory for up to 40 sets

Kyosho Front Spring Set (10) Rocket Engines the Rustler Ultimate is capableThis is an optional Kyosho Front Spring Set, and is intended for use with the Kyosho Mini Z MR 03. This package includes five sets of springs, allowing you to tune your Mini Z to a variety of track conditions. The red springs are soft, the purple springs are medium soft, the green springs are medium, the orange springs are medium hard and the yellow springs are hard.