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Well you need this when you going brushless...or just keep the plastic spur so if anything goes wrong it will just shred up the spur that twisting the car https://youtu.be/45oMFSzdE1Y
Bonjour pièce bien arrivée, excellente qualité, plus qu'à la montrer, merci banggood et sinotrans.
perfect
Last piece of the puzzle arrived; now I can complete the brushless conversion on my 124019. My advice; if you go brushless, use these metal gears over the standard plastic ones. The will be destroyed by the surplus in power once on brushless system. And it is an easy install...
Passt auf Surpass 3.125mm Welle mit 4200k etwas press. Aber es passt. gut gearbeitet. gerne wieder
arrived before due date, I haven't fitted it yet but the quality looks very good.
metal
Nice and very fast delivery, less than a week
ok
can’t wait to use them, should b much better and last longer then what come already in the car