Adapters are designed for 312x25mm Audi TT (I-gen 98-06 8N3) disc brakes with minor modification (65->66mm center hole and drilling two additional 12mm bolt hols).
The minimum rim size is 16 inches (38cm rim minimum inner diameter).
Adapters are laser cut with quality steel and CNC milled.
Pictures are with 17-inch rims.
Bolts and discs not included.