Kyosho UM730-69B 48P-69T Spur Gear for RB7 and RB7SS  [KY-UM730-69B]

Kyosho UM730-69B - Spur Gear(48P-69T)(RB7/RB7SS)
Price:
CAD$7.81
Brand:
Kyosho
Model:
KY-UM730-69B
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Upgrade Your RB7 with the Kyosho UM730-69B Spur

The Kyosho UM730-69B spur gear is a direct-fit upgrade for racers wanting reliable performance in their RB7 or RB7SS. Its 48P-69T specification helps deliver even power delivery and long service life for both race weekend use and regular practice sessions.

Main Benefits of the Kyosho Spur Gear

  • Compatibility: Made to fit RB7 and RB7SS chassis without extra machining.
  • Tooth Count: 69 teeth tuned to balance acceleration and top speed.
  • Durability: Crafted to handle repeated high-speed runs and track wear.
  • Precision Fit: Machined to integrate cleanly with standard pinion gears.
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 UM730-69B fit without mods?

This spur is built for RB7 and RB7SS layouts and typically installs without modification. Check mesh and shimming when fitting to ensure proper engagement.

How does 69T change gearing feel?

A 69-tooth spur leans toward smoother acceleration and manageable top speed. It gives predictable throttle response across most track types when paired with appropriate pinions.

Any tips for maintenance?

Keep the spur clean of grit and check for tooth wear after hard sessions. Use light gear grease on the crown and inspect mesh regularly to avoid premature wear.

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