Currency US Dollar


Core-RC Medium Length Big Bore Shock Spring Set (Black/4.0) (2)


Regular price $7.25

This is a pair of optional Core-RC Medium Length Big Bore Shock Springs, and are intended for use with big bore 1/10 scale shocks. These high quality precision made springs allow the car to float over bumps but not roll too much during cornering. The consistent wire diameter means that the characteristics of each spring in the range is similar, giving a consistent performance across the range. The spring stiffness increment between springs is very small, allowing fine adjustment of the suspension.

Constant Wire Diameter
Close Rate Increment
Easy Identification
Black Coated
Precision Ground Ends
Available as pairs or tuning sets of 5 pairs
Rate: Black/4.0
Coils: 7.25
Length: 43.20
Wire Diameter: 1.23mm

Effects of Shock Spring Changes
Shock Spring Characteristic
Increased Chassis Roll
Increased Traction
Better in Bumpy Conditions
More Likely to Bottom Out
Decreased Chassis Roll
Decreased Traction
Increased Responsiveness
Note: To enable these Big Bore Springs to be used on small bore shocks Core-RC has released two optional converters for the top of the spring, enabling better seating of the spring. The bottom of the spring fits regular small bore shock bottoms.

CRC-CR190: Big Bore to 13mm shock
CRC-CR191: Big Bore to 14mm shock

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