Core RC Big Bore Spring Tuning Set; Med 5prs

The Core RC Big Bore Spring Tuning Set; Med 5prs (CR177 / SCH-CR177) delivers precise, progressive suspension control for 1/10th off-road. High-quality, precision-made springs help the car float over bumps while limiting roll in corners. A consistent wire diameter and small stiffness steps across the range make fine setup changes straightforward and repeatable.

Features

• Progressive Big Bore design for balanced bump absorption and roll control
• Constant wire diameter for consistent characteristics
• Close rate increment for fine suspension adjustment
• Easy identification across the range
• Black coated finish
• Precision ground ends for smooth seating

What’s Included

• 5 pairs of medium-rate Core RC Big Bore springs

Suggested Compatibility

• 1/10th off-road vehicles using big bore shocks
• With optional top converters CR190 or CR191, suggested compatibility extends to small bore shocks; the spring bottom fits regular small bore shock bottoms

Optional Accessories

• CR190 Big Bore-to-Small Bore spring top converter
• CR191 Big Bore-to-Small Bore spring top converter