Rolf prima ares4 es carbon clincher road wheelsetrolf primas ares4 es carbon clincher road wheelset features the aerodynamic performance of the ares4 wheelset with some subtle differences ares4 es carbon clincherthe ares4 es is a lightweight aerodynamic wheelset the combined weight of this carbon clincher wheelset is an impressive 1470 grams when combined with rolf primas paired spoke technology for an engineering edge and their delta rim technology this carbon wheelset neutralises pulli