Yokomo R12-21SS Soft Rear Side Roll Spring - Precision Fit  [R12-21SS]

Yokomo R12-21SS Rear Side Roll Spring Black (Soft) for YRX12/GT/YR-10F
Price:
£2.42
Brand:
Yokomo
Model:
R12-21SS
GTIN:
3888
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Refine Rear Balance with the Yokomo R12-21SS

For precise handling adjustments, the Yokomo R12-21SS rear side roll spring offers a softer rear roll rate that can stabilise rotation through bends. It is designed for YRX12, GT and YR-10F chassis, making it a useful part for racers refining their rear-end feel.

Benefits, Tuning and Fitment

The R12-21SS lowers rear roll stiffness to increase rear traction and control during cornering. Its broad compatibility across Yokomo models means you can swap springs to test different balance points without major rebuilds.

Suitable Models

  • YR-10F
  • GT5-R35
  • GT5-SC430
  • GT3-REA
  • GT3-IS350
  • GT3-B4
  • GT3-CAX
  • GT3-BRZ
  • GT3-AHP
  • GT-B
  • GT5-R2
  • GT5-RS2
  • YR-R12C3
  • YR-R12C31
  • YR-X12
  • YRF-001RF
  • YRF-001W
  • YR-X1219
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

How does the softer spring affect mid corner balance?

A softer rear side roll spring generally helps the car settle mid corner by allowing gradual weight shift, which can improve rear grip and reduce snap oversteer on throttle application.

Will this part fit older GT series models?

It fits many GT series variants listed above, but check your rear suspension layout against the compatible model list to confirm fitment before ordering.

Do I need special tools to swap springs?

No specialised tools are required beyond normal shock and spring removal tools. Ensure springs are seated correctly and verify clearance after fitting to avoid binding.

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