These GiroDisc replacement rotor rings service the exact hat, diameter, thickness, annulus, and mounting interface identified below. Similar-looking rings are not interchangeable, so every dimension and the required hat system must be confirmed before ordering.
Key Features
- Replacement friction rings for the specified hat system
- Directional ring geometry and dimensions are part-number specific
- Replacement hardware is included only when stated for this exact part
- Existing hats are reused only when the manufacturer identifies them as compatible
- Curved Vanes: 72 directional cooling vanes
Fitment
| Fitment Basis | Universal only by exact part dimensions, pad shape, caliper, or rotor-hat interface |
|---|---|
| Required Verification | Confirm every dimension and interface against the current GiroDisc specification before ordering |
Specifications
| Brand | GiroDisc |
|---|---|
| Manufacturer Part Number | GD380.35.52 |
| Product Type | Replacement Brake Rotor Rings |
| Position | Application specific |
| Fitment Type | Universal by exact interface |
| Curved Vanes | 72 directional cooling vanes |
What's Included
The replacement ring set and only the mounting hardware GiroDisc states is supplied for this exact part number
About GiroDisc
GiroDisc designs and manufactures serviceable two-piece brake rotors, replacement rings, and related brake components in Bellingham, Washington. Selection remains exact-part-number and brake-configuration specific.
Related GiroDisc Products
- GiroDisc 345x28mm 10 Pin Holes 54mm Annulus Slotted Rings
- GiroDisc 10-13 Audi TT RS (8J) Slotted Front Rotors
- GiroDisc 10-13 Audi TT RS (8J) Slotted Rear Rings
Browse the GiroDisc collection for related brake components.
Frequently Asked Questions
How do I confirm this part matches my brake setup?
Match the exact GiroDisc part number, rotor dimensions, annulus, pad shape, caliper family, hat interface, and hardware requirements. Appearance alone is not enough.
Will these rings fit factory or another brand',s hats?
Do not assume so. Most GiroDisc replacement rings are designed only for the specified GiroDisc hats unless the listing explicitly identifies a factory, Brembo, StopTech, or PFC interface.
Should the old mounting hardware be reused?
Use only the hardware method GiroDisc specifies for this exact ring. Some kits include new hardware, while factory-hat applications may require reuse or separately sourced hardware.
Installation Instructions
Replacement-ring service involves safety-critical brake hardware. Follow the current GiroDisc assembly instructions, confirm the exact hat interface and ring direction, use only approved hardware, torque fasteners in the required sequence, check runout and clearance, and complete the specified bedding process.
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