Someone opined that skirts might get caught in the rear wheel. Yes, and in the days of my youth in the 1940's USofA, "girl's bikes" typically came with a net or pierced metal guard covering the upper and forward portions of the rear wheel to prevent just that.
Example: 
edit: It is not a frame tube, but it is something "between the legs" and a difference between bikes for different genders.
Someone opined that skirts might get caught in the rear wheel. Yes, and in the days of my youth in the 1940's USofA, "girl's bikes" typically came with a net or pierced metal guard covering the upper and forward portions of the rear wheel to prevent just that.
Example:
Someone opined that skirts might get caught in the rear wheel. Yes, and in the days of my youth in the 1940's USofA, "girl's bikes" typically came with a net or pierced metal guard covering the upper and forward portions of the rear wheel to prevent just that.
Example:
edit: It is not a frame tube, but it is something "between the legs" and a difference between bikes for different genders.
Someone opined that skirts might get caught in the rear wheel. Yes, and in the days of my youth in the 1940's USofA, "girl's bikes" typically came with a net or pierced metal guard covering the upper and forward portions of the rear wheel to prevent just that.
Example:
Someone opined that skirts might get caught in the rear wheel. Yes, and in the days of my youth in the 1940's USofA, "girl's bikes" typically came with a net or pierced metal guard covering the upper and forward portions of the rear wheel to prevent just that.
Someone opined that skirts might get caught in the rear wheel. Yes, and in the days of my youth in the 1940's USofA, "girl's bikes" typically came with a net or pierced metal guard covering the upper and forward portions of the rear wheel to prevent just that.
Example:
