Top cyclocross rider Robert Oubron vented some of his competitiveness during the off-season by racing cyclomoteurs. Note how he's seated on the rear rack, behind the saddle, tucked into a low aerodynamique position. Looks like drum brake front, cantilevers rear.

From "Cyclisme 1952 - Miroir Sprint" April, 1952.

seated on the rear rack, behind the saddle, tucked into a low "aerodynamique position".

Looks like "drum brake front, cantilevers rear". WOW!!@ㅁ@