"The noise is higher than a conventional e-bike motor and is high-pitched, similar to an RC car, although quieter than some other conversion kits they had teste

"The noise is higher than a conventional e-bike motor and is high-pitched, similar to an RC car, although quieter than some other conversion kits they had tested." https://www.frandroid.com/marques/asus/3158393_meme-asus-se-met-au-velo-on-a-roule-avec-son-assistance-electrique-tout-en-un https://www.frandroid.com/marques/asus/3158393_meme-asus-se-...