Auxiliary wheel installation bracket

An auxiliary wheel installation bracket, which is installed on a rear wheel of a bicycle, comprising a fixed installation part and an adjustable installation part detachably connected with the fixed installation part, the fixed installation part includes a first installation part corresponding to a rear lower fork rod of the rear wheel of the bicycle, a second installation part corresponding to a rear upper fork rod of the rear wheel of the bicycle, and a third installation part connected to the adjustable installation part, the adjustable installation part includes a fourth installation part clamped with the third installation part, the fourth installation part includes an auxiliary wheel connecting bracket extending toward the outside of the bicycle;

• wherein
• the first installation part includes a strip-shaped installation plate arranged on the outside of the rear lower fork rod of the rear wheel of the bicycle and first U-shaped connectors arranged on the inner side of the rear lower fork rod of the rear wheel of the bicycle, the end of the strip-shaped installation plate away from a front wheel of the bicycle is connected to the third installation part, the first U-shaped connectors are sleeved on the rear lower fork rod of the rear wheel of the bicycle, and are detachably connected to the strip-shaped installation plate;
• wherein
• the number of the first U-shaped connectors is at least two, the two ends of the strip-shaped installation plate are respectively provided with installation holes corresponding to the first U-shaped connectors, the ends of the first U-shaped connectors are provided with threaded segments, after the first U-shaped connectors pass through the installation holes, they are fixed to the strip-shaped installation plate through nuts.