TrackStar D-Spec Hybrid Spring Set

Features: Enhance the rolling action on the chassis Allow chassis to have a normal ride height with soft spring Fit for most 1/10 shocks 1 set will be enough for all 4 shocks 5 different hardness spring to provide 40 different set upSpecs:Spring diameter (inside): 15mmSpring length: 15mmSleeve diameter (inside): 13mm