YBR125 motorcycle rear shock assembly, size parameters (total length 340MM, rod diameter 30MM, etc.) and the original car rear shock fully match, directly replace without adjusting the rear rocker arm; The combination of spring buffer and hydraulic damping, the filter effect is soft and stable, taking into account the comfort of manned and no-load riding; The shock absorbent rod is made of chromium-plated metal, and the spring is made of high-strength steel, which is resistant to corrosion and deformation, and suitable for complex road conditions. A pair of symmetrical structure, to ensure uniform force on the rear, improve driving stability; Align the locking screw between the rear rocker arm and the frame, without additional adjustment of damping, convenient installation.