Rolf prima ares4 disc front road wheelunleash a devastating attack on the peloton with this ares4 disc front road wheel climb descend and attack sweeping bends with ease to deliver your aero edge ares4 a carbon climberthe ares4 disc front road wheel has been manufactured for climbers and those who seek every possible aerodynamic advantage with this specific clientele in mind rolf prima delivered this wheel at a lightweight 700 grams when combined with rolf primas paired spoke technology