Kyosho UM577B Ultima SB Off-Road Suspension Arms  [KY-UM577B]

Kyosho UM577B - Suspension Arm Set (Ultima SB)
Price:
NZD$17.61
Brand:
Kyosho
Model:
KY-UM577B
GTIN:
4548565470693
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $15.05 each $5.12 or 15%
3+ $14.30 each $9.91 or 19%
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Upgrade the Ultima SB Suspension with Kyosho UM577B

The Kyosho UM577B Suspension Arm Set is designed to give Ultima SB drivers improved longevity and steadier handling when tackling rough tracks. The parts focus on reliability so you can spend more time running and less time repairing.

Rugged Construction for Everyday Bashing

These arms are moulded to withstand shocks and scrapes that come from off-road use. The reinforced design keeps suspension geometry stable, helping reduce unpredictable behaviour during hard landings and tight turns.

Direct Fit and Quick Swap

UM577B arms match the Ultima SB mounting layout, allowing a clean replacement with no custom fabrication. That direct fit means minimal downtime and an uncomplicated installation for most hobbyists.
Remark :
Due to limited stock availability, please notice that some Kyosho 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.

Can I use these arms on other Kyosho cars?

The UM577B is intended for the Ultima SB platform. It may fit other models with similar suspension geometry, but verify fitment before swapping to avoid clearance or alignment issues.

What maintenance keeps these arms lasting longer?

Regular inspection of pin holes, bushings and mount points helps spot wear early. Clean grit from pivot areas and replace damaged pins promptly to prevent accelerated wear.

Are upgrades needed to use these arms in race trim?

The arms provide a solid base, but racers often fine tune shocks, anti-roll bars and camber links to match track conditions. Think of the UM577B as a reliable foundation for further setup work.

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