The Yokomo RP-089BKA RP Ultra Rear Spring is built to sharpen handling for YZ-2, YZ-2T and YZ-4 machines. Its hard specification is targeted at tracks with strong traction where rear control makes a measurable difference.
Tailored for Yokomo YZ platforms, this spring keeps consistent behavior across both carpet and high-grip dirt, giving drivers confidence through corner exits and rapid direction changes.
Compatible with multiple chassis variants such as B-YZ4SF, B-YZ2, B-YZ2CA and B-YZ2DT, the Yokomo RP-089BKA integrates cleanly into existing YZ setups to adjust rear roll and traction characteristics.
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