Bicycle hub axle assembly

A bicycle hub assembly comprising:

• a hub axle including a shaft portion having a first axle end with a threaded section and a second axle end with a center axis extending between the first and second axle ends, and a head portion fixedly coupled to the second axle end of the shaft portion;
• a hub axle nut including a body portion having an axially extending threaded bore that is threadedly engaged with the threaded section of the first axle end of the shaft portion, and a frame engaging surface having an axially extending projection that is configured to engage a slot in a bicycle frame;
• a hub shell having a first shell end and a second shell end with an inner tubular surface forming a central passage extending between the first and second shell ends, the hub axle being disposed within the central passage of the hub shell;
• and
• a bearing assembly disposed between the hub axle and the hub shell to rotatably support the hub shell on the hub axle.