A2-130 Girodisc Audi B8/B9 Rear Rotors
A2-130 Girodisc Audi B8/B9 Rear Rotors Girodisc A2-130 two-piece rear rotors are a direct, bolt-on upgrade for Audi B8 and B9 chassis using the 330 mm rear rotor package. The floating design preserves parking brake function while cutting unsprung weight and improving cooling. Vehicle Fitment Audi S4 (B8/B9) – Rear Audi S5 (B8/B9) – Rear Audi SQ5 (B8/B9) – Rear Stable Performance Under Heat High-carbon iron rings with curved vanes pull air through the disc for efficient heat rejection, while reusable 6061-T6 hats keep long-term service costs down. Features Direct OE replacement; no modifications required Two-piece floating construction High-carbon rings with curved internal vanes Reusable aluminum hats; cadmium-plated hardware Manufactured and assembled in Bellingham, WA A2-130 FAQs Parking brake? Fully compatible; hat offset maintains OE parking brake operation. Noise? Spring-preloaded hardware minimizes rattle during street use. Rear ring part number? D2-130 rear replacement ring