Find the right hub centric rings
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Audi A4 — bolt pattern, center bore, ET and hub centric rings
Audi A4. Hub bore: 57.1 mm (B5 (1994–2001), B6/B7 (2001–2008)); 66.6 mm (B8 (2008–2015), B9 (2015–2023)). 5x112.
Center bore and bolt pattern by generation
| Generation | Center bore | Bolt pattern | ET | Torque | Hub centric ring |
|---|---|---|---|---|---|
| B5 (1994–2001) | 57.1 mm | 5x112 | ET35–ET45 | 120 Nm | Find size 57.1 mm → |
| B6/B7 (2001–2008) | 57.1 mm | 5x112 | ET29–ET42 | 120 Nm | Find size 57.1 mm → |
| B8 (2008–2015) | 66.6 mm | 5x112 | ET29–ET42 | 120 Nm |
Find size 66.6 mm →
⚠️ Hub bore changed! |
| B9 (2015–2023) | 66.6 mm | 5x112 | — | 120 Nm | Find size 66.6 mm → |
💡 The center bore listed in the table refers to the hub size, which is always the inner diameter of the hub centric ring.
How to choose the right hub centric ring?
The hub centric ring inner diameter matches your car hub size (57.1 mm or 66.6 mm for Audi A4). The outer diameter depends on your wheel — it is the wheel center bore diameter.
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