Girodisc Replacement Rotor Rings for Lotus Emira / Evora 400–GT

When it’s time to refresh your braking system, the Girodisc D1-388 replacement rotor rings keep your setup performing like new. Designed to bolt directly onto your existing Girodisc A1-388 hats, these rings deliver the same high-carbon iron durability, cooling efficiency, and performance you expect from Girodisc, without the expense of replacing the entire assembly.
D1-388 Vehicle fitment
• 2022+ Lotus Emira (front axle)
• 2017–2021 Lotus Evora 400 / 410 / 430 and 2020–2021 Evora GT (front axle)
Note: Fits Girodisc A1-388 hats only. These are rotor rings only, not a complete assembly.
High-carbon performance replacement rings
These rings are machined from Girodisc’s proprietary high-carbon iron formulation. The material composition maximizes durability and thermal stability under repeated heavy braking. With the 72 curved vane internal cooling system, the D1-388 rings continue to pull air through the hub to keep operating temperatures in check during intense track sessions.
D1-388 Features
• Direct replacement rings for Girodisc A1-388 assemblies
• 370 mm diameter x 32 mm thickness
• Proprietary high-carbon iron metallurgy
• 72 curved vane internal cooling design
• Designed and manufactured in-house in Bellingham, WA
• Reuses your existing Girodisc aluminum hats and hardware
• Recommended minimum thickness: 30 mm
Related Products
Do these include hats or hardware? No. The D1-388 kit is rotor rings only. You’ll reuse your Girodisc A1-388 hats and hardware.
How do I know when it’s time to replace the rings? Girodisc recommends replacement at 30 mm thickness or when cracks extend to the edge of the ring.
Can I install these without special tools? Installation is straightforward but requires careful torqueing of fasteners. A professional shop is recommended if you’re not experienced with brake assembly.
Are these rings street-friendly? Yes. Like the original A1-388 rotors, these are designed to provide race-level performance while staying quiet and compliant for street driving.
Keep your braking performance sharp and cost-effective with Girodisc D1-388 replacement rotor rings for your Lotus Emira or Evora.