Yokomo SG-A6490 AXON 90T High Durability Spur Gear  [SG-A6490]

Yokomo SG-A6490 AXON TCS Spur gear 90T (Hard)
Price:
NZD$10.14
Brand:
Yokomo
Model:
SG-A6490
GTIN:
3888
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Or you may find similar product under the
Spares / Hop-ups - Yokomo - MSR-BD12 category
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Yokomo SG-A6490 AXON 90T Spur for MSR Chassis

The Yokomo SG-A6490 is a 90 tooth, 64-pitch AXON spur gear made in a hard specification to support accurate torque transfer. It is suited to MSR-BD12, MSR-010, and MSR-010A platforms where compact, reliable gearing is required.

Compatibility and Build Quality

Designed with close tolerances for MSR family fitting, the 90T AXON spur ensures steady meshing with compatible pinions. The hard material resists wear under repeated load, making it a dependable replacement for worn stock gears.

On-Track Advantages

Using this 64-pitch spur can smooth drivetrain feedback and reduce progressive tooth wear on mating gears. It is a sensible upgrade for those refining gear ratios or seeking consistent lap-to-lap behaviour.
Remark :
Due to limited stock availability, please notice that some Yokomo 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.

Can I use this spur with different pinion sizes?

Yes, as long as the pinion is the correct 64-pitch and the motor position allows proper mesh. Changing pinion teeth will alter gearing but not the fundamental fit.

Is the SG-A6490 suitable for competitive tuning?

Its hard construction and accurate tooth profile make it appropriate for tuning setups where consistent gear engagement is important for predictability on track.

How do I inspect the spur after a crash?

Remove the spur and check each tooth for cracks or flats. Spin the gear against the pinion to feel for rough spots and replace the spur if any damage affects mesh.

What lubrication is recommended?

A thin layer of gear-safe grease on the spur face helps dampen noise and spread load, but avoid over-greasing which can attract debris.

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