Tamiya 54003 Performance 2-Speed Unit for Nitrage 5.2 [54003]

Tamiya 54003 - 2-Speed Transmission - Nitrage 5.2 OP-1003

Price:

NZD$117.36

Brand:

Tamiya

Model:

54003

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Spares / Hop-ups - Tamiya - Engine

Precision 2-Speed Conversion for Nitrage 5.2

The Tamiya 54003 2-Speed Transmission fits onto Nitrage 5.2 models as a straightforward conversion to improve acceleration and top speed. It mounts in place of the centre differential to reduce build complexity. The hook-style clutch gives dependable shift engagement while the sintered metal counter gear resists wear under hard use. The cam holder includes an easy-to-access screw for on-the-spot shift timing adjustments.

Specifications

1st Gear: 48T
2nd Gear: 43T
Counter Gear (2-Speed Pinion): 23T/29T
Includes: Cup Joint, Ball Bearing, Hex Wrench (2mm, 2.5mm), Cam Holder, Main Shaft, 6mm Lock Nut & Diaphragm Spring

Does this replace the centre differential completely?

Yes. The Tamiya 54003 is designed to be fitted in place of the centre differential, simplifying the installation compared with a full custom gearbox.

What routine checks should I do?

Inspect the sintered counter gear and clutch diaphragm for wear, keep bearings greased as needed, and confirm shift timing after a few runs to ensure consistent engagement.

Can I tune shifts for different surfaces?

Yes, small changes to the cam holder screw will alter the shift point so you can optimise engagement for loose tracks or harder surfaces.

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