CHITA May 11, 2016 CHITA - The most affordable and first smart bionic carbon electric bike: https://www.youtube.com/watch?v=iu6TjIt-9PI&feature=youtu.be
CHITA - The most affordable and first smart bionic carbon electric bike: https://www.youtube.com/watch?v=iu6TjIt-9PI&feature=youtu.be
