If you search and are unable to find your answers, don't hesitate to post your question. Someone will steer you to a link, or reply to your question. Were here for each other! Enjoy! }
Here's a great crash course post "link" to get you started. http://www.motoredbikes.com/showthread.php?t=10392
hello wangjf888 and welcome to MBc! you don't need a permit if it's compliant and is a peddal assist and under 48cc...me i have a 70cc ch80 and a thatsdax 70 we don't discuss it and the cops told me "the law was written for ya'll" so on that note i am leaving it alone...good luck and do post pics in the picture gallery enjoy the ride!