Tamiya 84073 15T Clutch Bell for TRF801X and TRF801XT [84073]

Tamiya 84073 - RC TRF801X Clutch Bell 15T

Price:

£11.61

Brand:

Tamiya

Model:

84073

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Spares / Hop-ups - Tamiya - TRF801

Adjust Drive Characteristics with the 15T Clutch Bell

Model racers can refine final drive by fitting the Tamiya 15T Clutch Bell (Item 84073) in place of the stock 14T. On the TRF801X this change produces a 1:10.58 ratio, giving a different balance between acceleration and top speed to suit your circuit.

Compatibility Overview

The clutch bell is also compatible with the TRF801XT truck, where it results in a 1:14.33 final ratio. That makes it a handy part for teams running both buggy and truck platforms who want consistent tuning options.

Will fitting the 15T change top speed noticeably?

Expect a shift in the speed band; top speed may move depending on motor kv and battery, so run tests to confirm net effect for your setup.

What maintenance should I do after installation?

Regularly inspect the bell for scoring, ensure set screws remain tight, and check clutch shoe wear to maintain consistent engagement.

Is a different pinion required for safe gear mesh?

You should verify pinion size for correct mesh; small changes in pinion tooth count may be needed to retain ideal backlash and avoid premature wear.

How does this affect tuning between tracks?

The 15T lets you tailor acceleration and top speed to track type, so swap bells or adjust other gearing elements when conditions change between loose, hard or technical layouts.

Any installation pitfalls to watch for?

Avoid overtightening set screws which can distort the bell, check spline alignment, and perform a short test run before full race use to confirm everything is secure.