The whole point of a two-piece rotor is that when the friction surface is worn out you replace the ring, not the entire assembly. These are the genuine replacement iron rings — the aluminium hats and hardware you already own carry straight over, which makes a Girodisc setup meaningfully cheaper to run long-term than a one-piece OE disc.
This listing: Audi 370x34mm Front Replacement Rings — genuine Girodisc part number D1-179.
What you get
- Genuine Girodisc replacement iron ring
- Reuses your existing hats and drive hardware
- Directional curved-vane casting
- Sold as listed — check front/rear and side before ordering
Fitment: Audi 370x34mm Front. Girodisc part numbers are application-specific — confirm the part number against your exact model, caliper and rotor size before ordering.
Lead time: made to order. Ships in 1–2 weeks from order. Genuine Girodisc, made in the USA, with full manufacturer warranty and Australian support.
Professional install required. Bed-in procedure required before hard use.
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