Traxxas offers a wide variety of spring rates for the GTR shocks to provide almost limitless tuning possibilities. The springs are made from high-quality spring steel with durable powder-coated finishes, and the spring rate is indicated by colored dots on the end of the spring.
Long Spring Rates:
Softest
TRA7440: Orange - 0.623 Rate
TRA7441: Green - 0.653 Rate
TRA7444: Black - 0.767 Rate
TRA7445: Pink - 0.810 Rate
TRA7448: Blue - 0.892 Rate
Stiffest
Effects of Shock Spring Changes
Shock Spring Characteristic
Softer
Increased Chassis Roll
Increased Traction
Better in Bumpy Conditions
More Likely to Bottom Out
Stiffer
Decreased Chassis Roll
Decreased Traction
Increased Responsiveness
