The present invention is an auxiliary assembly for a front fork of a unicycle, which comprises: a set of connecting pieces, the set of connecting pieces is provided with a supporting part, the supporting part laterally connects two load parts and two assembling parts, and the assembling part extends downward to abutting part And the assembly part is connected to the connecting part of the external unicycle； at least one extension piece is provided with a joint part, the joint part is connected to the load part of the joint part, and the joint part is connected downward to at least one vertical part , The bottom of the vertical part is provided with a hinge part, the hinge part has at least one shaft hole； at least one front fork piece, the front fork piece is provided with a horizontal part, the horizontal part is a wedge shape from a thin front end to a gradually thickened rear end, horizontal A stop part is provided at the rear end of the part, and a link part is provided beside the inner side of the stop part, the connecting part has at least one shaft hole and is assembled with the hinge part of the extension piece, the connecting part provides the front fork piece with opening and closing A hinge； and a plurality of shaft bolts, the shaft bolts being cylindrical bodies, the shaft bolts are inserted into the link portion of the front fork member and the hinge portion of the extension member.本新型乃是一種獨輪車前叉輔助組件，其包含：一組接件，該組接件設置一支撐部該支撐部橫向連接二負載部與二組裝部，該組裝部向下延伸一抵靠部，且該組裝部組接於外部獨輪車之連結部；至少一延伸件，該延伸件設置一結合部，該結合部組接於組接件之負載部，該結合部向下連接至少一垂直部，該垂直部底端設置一鉸鏈部，該鉸鏈部具有至少一軸孔；至少一前叉件，該前叉件設置一水平部，該水平部為薄型前端至漸厚後端之楔型，水平部後端處設置一止擋部，該止擋部內側旁設置一鏈結部，該連結部具有至少一軸孔並組接於延伸件之鉸鏈部，該連結部提供前叉件具有開合之樞紐；及複數軸栓件，該軸栓件為柱狀體，該軸栓件插入前叉件之鏈結部及延伸件之鉸鏈部。
