Giro Aspect Bicycle Helmet Closeout. The Giro Aspect Bicycle Helmet is a fully evolved Bicycle Helmet design that challenges convention. The sleek, simple exterior form belies the top level performance under the hood. With details like the Roc Loc Air fit system, the Aspect offers a secure, comfortable fit while increasing airflow inside the Bicycle Helmet. Other subtle amenities include soft Heathered webbing, Ultrasuede interior and chin strap padding, and a built in cloth visor to keep the sun or rain at bay.