The Tamiya 15428 JR Mass Damper Square is a compact upgrade for racers focused on consistent lap times. The square profile helps reduce sudden pitch and keeps the car settled through complex sections, while offering flexible mounting on either the stays or the chassis depending on your rig.
Mass dampers are especially useful when a track exposes rapid vertical motion or landing instability. This Tamiya piece weighs 15.8 grams and requires common hardware such as screws, 2mm nuts, lock nuts and washers for a secure fit.
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