HK450V2 principal Gear Set

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Certified Buyer Rated

Jun 18, 2016

Good value for money but gears are not high quality. There are differences in the circumference diameter, is not perfectly round so the contact with the motor pinion is not equal all around. Anyway, it works and you get three of them plus the oneway bearing including holder.

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Certified Buyer Rated

Dec 06, 2014

Quality is far better than i expected for this price, all 3 main gears are running fine and have only a slight radial runout. This can be corrected with just trimming the 4 mounting holes. Now all 3 are running true and gentle.

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Certified Buyer Rated

Jun 19, 2013

Gears...they are gears

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Certified Buyer Rated

Apr 08, 2013

they run true and are really inexpensive, I have yet to blowup the oneway bearing and the hub. it would also be nice to have these maingears avalible in 5 packs without the hub.

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Certified Buyer Rated

Jan 20, 2013

Produto de boa qualidade bem alinhado.

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Certified Buyer Rated

Dec 23, 2012

This are pretty good quality but makemsuremyoumset them up right

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Certified Buyer Rated

Nov 25, 2012

good price nice and true...thanks hk

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Certified Buyer Rated

Nov 22, 2012

ok give these a try, been using align main gears fror years, but worth the try

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Certified Buyer Rated

Nov 09, 2012

You need these definitely when you have some crash, as motor pinion will rip out some plastic of these gears

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Certified Buyer Rated

Nov 08, 2012

Super cheap, and worth getting a few for spares. they're very soft however, be careful when inserting them into the heli frame. I ruined one (knocked some teeth off) by scraping it along the frame, without ever even using it. Once installed, they work great though.