This Yokomo R12-18RSH is an RC-scale rear shock spring intended for use on the pitching damper of R12 and GT series chassis. It is the hard, gold-finished spring variant supplied for fine-tuning rear suspension behavior in competitive and club-level 1/10-scale touring and GT setups. The spring is designed to work as a drop-in replacement where the chassis uses a separate pitching damper or spring stack at the rear.
Compatibility is an important consideration when selecting a spring for tuning. Use this spring only on the listed R12/GT models to retain correct spring seat fit and damper stroke characteristics. When replacing springs, inspect spring seat alignment and damper travel to avoid binding.
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