Kyosho UM723 Race-Ready Gear Box Set for ULTIMA RB6  [KY-UM723]

Kyosho UM723 - Gear Box Set (RB6/MID Motor)
Price:
AUD$11.52
Brand:
Kyosho
Model:
KY-UM723
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $9.97 each $3.12 or 14%
3+ $9.48 each $6.15 or 18%
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Race-Grade Gear Box for the ULTIMA RB6

The Kyosho UM723 Gear Box Set fits the ULTIMA RB6 and focuses on improving drivetrain dependability in mid-motor builds. It delivers cleaner torque transfer and more consistent handling under load.

Core Strengths of the Kyosho UM723

  • Compatibility: Built to match the ULTIMA RB6 mid-motor configuration.
  • Durability: Constructed from proven materials to resist wear during intense runs.
  • Precision Fit: Offers accurate alignment for reduced drivetrain play.
  • Performance Boost: Smooths power delivery for improved corner exit speed.

Installation and Maintenance Notes

Fitting the Kyosho UM723 requires standard RC assembly skills and routine lubrication to maintain peak performance. It is aimed at drivers who want a dependable upgrade for competitive settings.
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.

Do I need to change diff settings after fitting this box?

You may need minor diff tuning to match the new drivetrain feel, but major changes are rarely required.

What lubrication is recommended?

Use a light gear grease or high-quality diff oil on mating gears and bearings to reduce friction and noise.

Will this part suit high-power brushless setups?

With correct maintenance and suitable motor/ESC settings, the UM723 is capable of handling typical high-performance brushless setups.

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