This replacement base weight mounts to the aluminum H-arm weight points to increase unsprung mass at the rear axle, providing a direct increase in tyre bite without changing overall chassis mass distribution. The core unit provides a 20g mass on each side as the base configuration, and additional 5g or 10g add-on weights are available separately to refine traction and slide control.
Because the added mass is applied to the unsprung assembly rather than the chassis, its effect is present regardless of pitching motions, helping to stabilise corner entry and reduce abrupt slides. Use this part when tuning rear-end grip while preserving overall chassis balance.
Use the Y2-008RW20 base weight to fine tune rear grip by adding unsprung mass at the H-arm, adjusting with optional 5g or 10g increments to match track traction and handling balance.
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