Ashima: 2-Piece Lightweight Rotor ARO-18Outer: High grade SUS410 stainless steel Grounded and Hardened to 47 HRCSpider: Aero grade 7075-T6 heat treated alloyExceptional Heat Dissipation from the braking annules, due to the high thermal conduction of the spider With 6x 7075 Alloy BoltsWeight: 140mm - 77g / 160mm - 97g / 180mm - 126g






