We always have someone on hand to answer your questions. We believe in the timeliness of customer service, and will do everything possible to satisfy our customers. If you have any problems or questions, please contact us！！！
We are located in the beautiful city Hangzhou in China which is called "Heaven on earth" is a top level electric bicycle enterprise specializes in research...
BKR has been dedicating to providing high quality bicycle components since 2002，as a experienced bicycle components provider ,we always insist on bringing original design on the products and make the riding more stylish and comfortable.
Grandwillie focuses on creating healthy and new life attitude. We devote to change people’s conventional perception
that fitness equipments are only for managing the figures.
