[Custom] Fitting Kyosho Optima Tires on Tamiya The Frog

I’m back with another suspension and wheel upgrade for Tamiya’s “The Frog.”

This time, I installed tires and wheels from the Kyosho Optima.

With added white lettering, this custom look gives the vintage buggy a fresh edge.

Selecting Tires and Wheels

I purchased two sets to equip both the front and rear axles.

Applying white lettering to the sidewalls adds a realistic, scale-racing touch.

It creates a sharp contrast against the black wheels.

Click here to check details and pricing.

Solving Front Hub Interference

Initially, I used the stock DT-04 front wheel hubs, but they caused physical interference with the new wheels.

To resolve this, I swapped out the hardware using the following parts:

• Eagle Model AL Front Hub for DT-04 (DT-04-01P2U)
• Tamiya Clamp Type Aluminum Wheel Hub 9mm Thick (OP.1610)
• 0.8mm Washer ×2

The clamp-type hubs ensure secure mounting and eliminate wobbling.

Click here to check details and pricing.

Final Build: Kyosho-Shod The Frog

The pin pattern combined with the white lettering completely transforms the stance.

Conclusion

Fitting Kyosho Optima tires gives Tamiya’s The Frog a unique and aggressive look.

While hub modifications were necessary to clear the rims, the result is well worth the effort.

Mixing cross-brand parts is a great way to personalize your vintage RC build!

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