Kyosho UM723 Mid Motor Gear Box Set for ULTIMA RB6  [KY-UM723]

Kyosho UM723 - Gear Box Set (RB6/MID Motor)
Price:
CAD$11.39
Brand:
Kyosho
Model:
KY-UM723
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $9.92 each $2.95 or 13%
3+ $9.42 each $5.91 or 17%
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Upgrade Your ULTIMA RB6 Drivetrain

The Kyosho UM723 Gear Box Set is built for the ULTIMA RB6 and focuses on durable mid-motor performance. It improves drivetrain efficiency for smoother power transfer and steadier handling on race circuits.

Main Benefits of the Kyosho UM723

  • Compatibility: Made to fit the ULTIMA RB6 with a mid-motor layout.
  • Durability: Manufactured from robust materials to withstand track use.
  • Precision Fit: Designed for accurate alignment with stock components.
  • Performance Boost: Refines drivetrain response for better lap consistency.

Who Should Fit This Gear Box

The Kyosho UM723 suits racers and experienced hobbyists wanting reliable upgrades. Use it when you need consistent drivetrain behaviour and fewer mechanical surprises during events.
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.

Will the UM723 change my gear ratio?

The UM723 keeps the designed gear ratios for the RB6 but can alter feel through reduced slop and better mesh.

Is special tooling required to install this set?

Basic RC tools are sufficient, though a precise driver and proper shims help ensure correct alignment.

Can it handle competition power levels?

Yes, when paired with appropriate maintenance and correct lubrication, the UM723 performs well under typical competition setups.

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