Another excellent write-up by @EcoDrift (via Google Translate) regarding all the QC issue of recent Ninebot One Z manufacturing (including references to our very own North American superdealer @Jason McNeil )   https://ecodrift.ru/2019/02/12/ninebot-z10-chastaya-polomka/ Ninebot Z10. One of the frequent breakdowns. I tried to collect material on the pre-sale preparation and maintenance of the monowheels. But my attention was attracted by the open Ninebot Z10. He asked w