Yokomo BM-4821A Hard Steel Pinion Gear DP48-21T Retro-Inspired Tough Gear  [BM-4821A]

Yokomo BM-4821A Hard Steel Pinion Gear DP48-21T
Price:
AUD$13.40
Brand:
Yokomo
Model:
BM-4821A
GTIN:
0639342205882
Condition:
Brand New
Quantity Discount
Unit Price You Save
2 $11.78 each $3.23 or 12%
3+ $10.18 each $9.65 or 24%
Available in shop
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Solid Pinion for On and Off-Road Builds

The Yokomo BM-4821A Hard Steel Pinion Gear DP48-21T offers sturdy performance for a range of RC projects. Its hard steel construction helps maintain consistent tooth engagement, making it suitable for both trail and track use.

Balance of 48 Pitch and 21 Teeth

The 48 pitch, 21 tooth layout provides a useful blend of speed and torque that works across many 1/10 setups. It is a versatile choice whether you are tuning for acceleration or higher top speed.

Hard Steel Advantages for Tough Conditions

Using hard steel reduces wear under heavy loads and repeated use, lowering the chance of stripped teeth and helping gears last through demanding sessions.

Do I need a special motor shaft for this pinion?

Ensure your motor shaft diameter matches the pinion bore; many 48 pitch pinions fit standard shaft sizes but always verify before fitting to prevent play.

Is this pinion noisy compared to brass or aluminium?

Hard steel can sound a bit sharper under load than softer materials, but correct mesh and alignment will keep noise to a minimum while offering superior wear life.

How do I extend pinion life?

Keep the gear mesh set properly, avoid contamination from grit, and inspect teeth regularly; these steps will prolong service life in tough environments.

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