D-MAX Compatible 72T 48P Spur for Slipper - SG-4872S by Yokomo  [SG-4872S]

Price:
AUD$4.69
Brand:
Yokomo
Model:
SG-4872S
GTIN:
3888
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Tuning-Focused 48P 72T Spur for Slipper Setups

The SG-4872S is a 48-pitch, 72-tooth spur gear made for RC-scale use with slipper-equipped D-MAX series dual-clutch drivetrains. It serves as either a direct replacement or an upgrade in the slipper assembly to modify final drive ratio and engagement behavior without needing a different pinion.

Engineered for steady tooth engagement and repeatable slipper response, this spur helps when dialing traction and slip thresholds. When installing, confirm correct mesh with the motor pinion, set the slipper preload to the desired feel, and secure hardware with an appropriate thread locker. The part is targeted at model-level drivetrain tuning and routine upkeep, not full vehicle system replacements.

Fitment steps: remove the slipper cover, line up the spur spline with the shaft, set initial mesh using a thin feeler or paper, then reassemble and test for smooth rotation and consistent slipper operation under power.
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.

How will the 72T spur change gearing feel?

Switching to a 72-tooth spur reduces top speed while enhancing acceleration and making slipper engagement more sensitive, which can be used to fine-tune traction and response.

Do I need to alter pinion to keep similar top speed?

To maintain previous top speed you would typically increase pinion tooth count, but be mindful of motor load and slipper behavior; adjust incrementally and check temperatures.

What tuning checks should I run after fitting?

After fitting, verify gear mesh, confirm slipper preload and torque feel during runs, and monitor tyre bite and drivetrain noise to validate the tuning change.

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