As the system is designed to fit around a standard four-bolt mountain bike crankset and standard BB mounting, the advantages of the new system can be obtained on almost any modern DH bike or frame.

该系统是根据标准四螺栓山地车曲柄和标准BB山地车设计，所以这个新设计可以被几乎所有的现代DH自行车和框架使用。

youdao

The utility model comprises a support frame provided with a base, a hollow field rod fixed integrative with the support frame through a fixed bolt capable of passing through one end mounting hole;

本实用新型的构成包括：设置有底座的支撑架、通过可径向穿过其一端安装孔 的固定栓与所述的支撑架固定为一体的空心标杆；

youdao