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