The bicycle rim group is the main parts that make up the wheel system of a bicycle. It consists of elements such as the rim, spokes (or spokes), hub (hub), rouble and rim tape. The rim group directly affects the durability and driving performance of the bicycle. A quality rim group provides smooth riding, better balance and less wear of parts. Rim groups are usually designed specifically for road, mountain or city bikes and can be customized according to different usage purposes.