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4.97 out of 5
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  • 02/12/2016

    Ok

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  • 13/08/2018

    works fine ! on two Alzrc Devil 380 and one 420!

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  • 01/12/2017

    works just as intended. Nice product.

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  • 15/06/2016

    fast schipping , came pre build, half the price then the original sab

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  • 15/03/2021

    Well built and mostly assembled,so it's easy to install. The color coordination makes the set look awesome.

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  • 30/12/2020

    No problem with product quality,

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  • 18/02/2019

    I you fly a devil 380 or 420, you need to untighten the rear belt when you dont use. If not, the rear belt becomes rapidly too long and you need to change it. With the belt tensioner, you can forget this. The belt gets always a good tension. A part you need absolutely

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  • 26/09/2018

    it's not a part of super combo I've bought, it's needed as belt might hits boom internally during aggresive 3d flying, also help maintain proper tension when colder/winter

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  • 05/06/2018

    This is the most needed upgrade for the 380 420 Devil. It stopped the belt from slapping the inside of boom on spool up & hard meanuver. Bearing retaining compound is needed for all bearings the same as the heli itself.

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  • 01/12/2017

    Definitely worth getting prior to building for easy install. Get some 648 Loctite to retain the bearings securely for smooth operation. Works a champ!

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