These Campagnolo rotors are strong 1.85mm thick stainless tempered steel. They are designed to stay straight and true, long term, even under heavy and sustained braking.Available in 140 and 160mm diameters, to suit your riding style, and offering additional weight saving potential.**Technology*** Tempered stainless steel construction: strong, light and resistant to corrosion* Stainless steel central spider**Specification*** Suitable for Gravel and All Road riding* Weight: 157g (160mm with stainless steel spider) / 123g (140mm with stainless steel spider)