小齿轮3.17毫米/ 0.5M 14T（1个）
Quality Value OverallThe size is the same as in kit assembly of HK-450 Pro. So this is good replacement for higher head speed.
In real the lenght is higher as it looks on product photo.
Quality Value OverallCertified Buyer Ratedpilotxxxx Quality Value Overall, , . Quality Value OverallCertified Buyer Ratedezarc Quality Value OverallA little rough but otherwise ok. Quality Value Overall Quality Value OverallGood product! Use again. Worth the money! Yes! Quality Value OverallCertified Buyer Ratedgarth Quality Value OverallFits and runns perfect.(450 Heli)
(just in case you get one of theese as they are always out of stock)
Quality Value OverallCertified Buyer RatedAquiles Quality Value OverallBuena opcin para el Helicptero HK-450GT Pro 3D.. Quality Value Overall Quality Value Overallperfect for my rc18r ! Quality Value Overall Quality Value Overalli think this product so good~ . so i recommand .
good quilty of gear but hex bolt is so weak
so replace hex bolt is need
but price is good and nice gear quilty
i recommand ~
Quality Value OverallCustomer Ratedzbysiunio Quality Value Overallhello
I bought the rack to a 3700kv motor, 3850kv, 4400kv, and give plenty of power, coal lopoaty recommended, suitable for engines, HK, Copterx, Align, etc.
Quality Value OverallCertified Buyer RatedOld Stone Quality Value Overallunschlagbarer Preis. Quality Value Overall