Kyosho UMW513B 26T Idler Gear for RB5 - Competition Upgrade  [KY-UMW513B]

Kyosho UMW513B - SP Idler Gear (26T/RB5)
Price:
CAD$10.54
Brand:
Kyosho
Model:
KY-UMW513B
GTIN:
4548565455799
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $9.17 each $2.72 or 13%
3+ $8.71 each $5.46 or 17%
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Tune Your RB5 with the Kyosho UMW513B 26T Idler Gear

The Kyosho UMW513B idler gear is a practical upgrade for RB5 owners who want a reliable 26-tooth component to stabilise power transfer. Its tooth count and build help maintain steady mesh and reduce drivetrain slop during aggressive track runs.

Core Benefits

  • Compatibility: Made specifically to fit the Kyosho RB5 chassis without modification.
  • Durability: Constructed to resist wear from regular racing and practice sessions.
  • Performance: Improves transmission consistency for cleaner throttle response and better corner exits.
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 this idler fit other Kyosho kits?

This part is tailored for the RB5 layout and mounting points, so fitment on other Kyosho models is unlikely without modification.

Is fitting the gear a difficult task?

Installation is straightforward for anyone comfortable with basic RC maintenance: remove the gearbox cover, swap the idler, check mesh, and reassemble.

How should I check gear mesh after fitting?

Set the spur and pinion mesh with a small thickness of paper, rotate the drivetrain by hand, and listen for binding or excessive noise; adjust until the mesh is smooth.

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