Big-Speed Automatic/Universal with standard length clutch body, 1 x carbon shoes and 3 x aluminum shoes, 2.0 mm springs.
Clutch engagement speed 8,500 rpm.

Fits all Carson/Smartech, FG except Formula 1 and Evo 2020, Losi 5ive-T and DBXL, HPI Baja and many more.

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The Tourex Adjustable 2 clutch is available in different versions, suitable for almost any 1/6 or 1/5 off-road and on-road cars!

The universal version fits most off-road and on-road cars like

• all Losi 5ive-T, Losi Mini and Losi DBXL
• all cars from the HPI Baja series
• all Carson / Smartech buggy, monster and C5 on-road cars
• all FG cars except Formula 1 and EVO 2020

Special versions are available for either FG Formula 1 / EVO 2020 and Mecatech cars, as these cars require a different length of the clutch body.


For off-road applications (buggy or truck) Tourex Automatic clutches with an engagement speed of about 7,000 - 8,500 rpm are recommended!

For 1/5 on-road applications you will usually run Tourex Automatic clutches with an engagement speed of about 8,500 or 10,800 rpm.

The Tourex Automatic clutches are available in several configurations:

Item no.:	Clutch body:	Friction material:	Clutch spring:	Engagement speed:
TXLS910	Standard	4 x Carbon	1,8 mm	7.000 rpm
TXLA-910-L.Mix	Standard	1 x Carbon, 3 x Alloy	2,0 mm	8.500 rpm
TXLA-910-MIX	Standard	1 x Carbon, 3 x Alloy	2,3 mm	10.800 rpm
TXLA-910-MIX-MC	Short	1 x Carbon, 3 x Alloy	2,3 mm	10.800 rpm
TXLA-910-F1	Short	4 x Carbon	1,8 mm	7.000 rpm
TXLA-910-F1-MIX	Short	1 x Carbon, 3 x Alloy	2,3 mm	10.800 rpm

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Original text of the manufacturer:

The Tourex Big-Speed automatic clutch system is especially developed to meet the high demands from our customers. Since engines become faster and stronger these days, the clutch has to handle much more power than before.

This clutch is basically the same for all cars, only the center part is different. So when you change your car you’ll only need a different center part.

This new clutch has 4 shoes which engaging action can be adjusted to your personal preference through changing the springs.

You are now able to allow 2 shoes to engage earlier by 700 to 2000 rpm. When the engine has enough rpm to press all 4 shoes against the bell, the spring preload is neutralized. The reason for this: the center part, which is attached to the crankshaft and carries the clutch body on three ball bearings, turns 30 degrees once all 4 shoes touch the bell, increasing pressure on the shoes from down below to a higher value than possible through centrifugal force alone.

The stronger the engine, the more additional clutch pressure will be generated. The result: better acceleration through significantly reduced slippage. This will protect your clutch shoes from wear and damage! When the throttle is released, the center part disengages and the springs are re-activated within milliseconds. With this new system the wear of the shoes is significantly reduced.

This clutch is especially designed for models with high power engines such as the heavy like Losi 5ive-T. You can off course use this new clutch system in all models. And yes, you can personalize the characteristics of the clutch by changing the spring strength and shoe combination!


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