Castelli team sky aero race 51 jersey fzteam sky will be the only worldtour outfit wearing castelli clothing and will race train eat and sleep well maybe not the last 2 in the brands kit and it is easy to see why castelli began the aero jersey revolution in pro cycling and still continue to perfect them culminating in this 51 version though castelli wont stop there as they will no doubt be looking to further enhance it the 51 version builds on race leading aerodynamics making this je