The Giro Trinity Road Bike Helmet offers you a simple design that doesn’t compromise on performance, durability or strength but does however offer you exceptional value. This simple design of this helmet still offers you great features such as the in-mold construction to allow for a lighter helmet that remains strong, with reinforced air vents.This Giro road helmet has the easy to adjust Acu Dial fit system, so the best stability and comfort is only a twist of the dial away. Finally features such as a full coverage shell and a reflective rear decal finish this helmet off nicely. This helmet defiantly gives you the best, for less!Giro Trinity Road Bike Helmet Highlights-Full coverage shellReflective rear decalIn-Mold polycarbonate shell with EPS linerAcu Dial™22 ventsOne size fits - 54 - 61cm More info