The revelrsquos confident style and superior ventilation combine with a compact design that complements nearly any ride top level features like in mold construction coupled with the ease and comfort of giros acu dialtrade fit system mean itrsquos equipped to ride it all from downtown streets to twisting climbs to singletrack trails hands down this is the best performance value in its class acu dial the acu dial system combines single handed adjustment with a full fit band that brings