Kyosho VZW231-21B 21T Second Spur Gear Hard  [KY-VZW231-21B]

Kyosho VZW231-21B - 2nd Hard Gear (0.8M/21T/RRR Evo./SR)
Price:
£7.25
Brand:
Kyosho
Model:
KY-VZW231-21B
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Reliable 21-Tooth Spur for RRR Evo./SR

The Kyosho VZW231-21B is a 21-tooth second spur gear crafted for the RRR Evo./SR series, using a 0.8 module pitch and hardened construction. It helps maintain accurate engagement under load and reduces the frequency of replacements compared with softer alternatives.
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.

Is special tooling needed to fit this gear?

Standard hobby tools are sufficient for most installations. Ensure correct alignment and torque on any securing hardware when fitting to the drivetrain.

Will this improve drivetrain longevity?

The hard material and precise 0.8M tooth profile reduce wear under normal racing loads, which can extend the service life of the spur and mating pinion when correctly set up.

Any tips for checking gear health?

Inspect teeth for nicks or flat spots, listen for unusual noise under load, and periodically check mesh to catch wear early and prevent drivetrain damage.

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