Yokomo R12-21SSH Super Hard Rear Side Roll Spring for YRX12 GT and YR-10F  [R12-21SSH]

Yokomo R12-21SSH Rear Side Roll Spring Copper(Super Hard) for YRX12/GT/YR-10F
Price:
CAD$4.55
Brand:
Yokomo
Model:
R12-21SSH
GTIN:
3888
Condition:
Brand New
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Rear Roll Spring for Stronger Corner Stability

The Yokomo R12-21SSH rear side roll spring is crafted from super hard copper to deliver firmer roll resistance and more predictable handling. Intended for hobbyists who fine tune their YRX12, GT and YR-10F chassis, this spring helps reduce body roll while maintaining durability for frequent track use.

Works With Multiple Yokomo Chassis

This spring fits several Yokomo models including YR-10F, GT5-R35, GT5-SC430 and GT3-REA, making it practical for racers who swap parts between cars. Its consistent stiffness aids repeatable setup adjustments across different vehicles.
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 will a super hard roll spring affect my car balance?

A super hard spring increases roll stiffness at the rear, which usually tightens the car and reduces oversteer on fast corners. You may need to adjust front roll or damping to keep overall balance.

Is the R12-21SSH compatible with YRX12 and GT models?

Yes, the R12-21SSH is designed to work with YRX12, GT series and YR-10F layouts, as well as related GT5 and GT3 variants listed by Yokomo.

Any tips when fitting this spring for the first time?

Start with small changes and test progressively. Check sway bar settings and shock damping after installation, and log lap times to compare handling differences.

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