For matching C965 display,when you got,the pas is with 3 assist level.If you need more level,here is steps for you to follow.
step 1 :Enter into setting interface.
step 2 :Enter the password.
setp 3 :Set the pas level as you want.
Copyrght 2015 CNEBIKES CO.,LTD All Rights Reserved sitemap Designed by Zhonghuan Internet