Athena (tm) D Skeleton (TM) brakes Campagnolo (R)'s objective is to provide both professional & amateur cyclists with the best braking system possible, adapted to their riding style. There are those who prefer to always have the maximum power available (dual pivot on the front & rear), & those, on the other h&, who prefer more controlled & modulated braking, with the mono-pivot in place of the dual on the rear brake.brake-pad height adjustment ratio:40?50 mm (measured from brake fixing-bolt to brake-shoe-nut)brake pads orbital adjustmentlightened rear brake skeletonized arms dual-pivot front & rear (enhanced rear braking)special pad compound