Our patented stirrups are 100% made in Italy. Tech Stirrups Athena are made from aluminium billet and then fastened with stainless steel screws. They are anodised (20µm treatment) to preserve their aesthetic quality. Features: Weight: 340g (11,99 oz) Tread dimensions: 125x65mm (4-3/4 in) Slope: 4° Shiny finish