This is an optional Tekno RC 90mm Rear Shock Spring Set. These 90mm long pink springs are compatible with the ET48 and NT48 1/8 trucks, feature 10.5 turns of 1.6mm wire, and are one step softer than the springs that are included in the kit.
Available Rear Shock Springs
| Shock Spring | Characteristic |
| Softer |
|
| Stiffer |
|