39T MOD1 Spool Gear (8mm Bore): ARA310951

39T MOD1 Spool Gear (8mm Bore): ARA310951
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Availability: In stock available to ship within 24 hours.
SKU: 100022039
Part #: ARA310951
UPC: 5052127034364
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39T MOD1 Spool Gear (8mm Bore)

The Arrma Steel Mod1 Spool Gear features an 8mm bore that allows gear ratio tuning of the Limitless. These Spool Gears are available in 29, 34 and 39 tooth count options, allowing you to fine tune the gear ratio of your vehicle.


  • Strong and durable steel for long-lasting performance in extreme RC conditions
  • Precision manufactured tooth profile for smooth operation
  • Precision manufactured double set screw holes
  • Can be used with an 8mm motor shaft
  • 29T - taller gear ratio, allows for higher top speed and is recommended for speed run applications only
  • 34T - stock replacement
  • 39T - lower gear ratio, better suited to bashing and general all purpose driving
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