Find the right hub centric rings
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Polestar 4 — bolt pattern, center bore, ET and hub centric rings
Polestar 4 Type 4 electric car. 63.4 mm hub bore and 5x108 bolt pattern.
Center bore and bolt pattern by generation
| Generation | Center bore | Bolt pattern | ET | Torque | Hub centric ring |
|---|---|---|---|---|---|
| Type 4 (2024–) | 63.4 mm | 5x108 | ET45 | 140 Nm |
Find size 63.4 mm →
⚠️ European Polestar 4 Type 4, type approval e9*2018/858*11568*. ET45 is based on two approved 21-inch dimensionally equivalent replacement wheels. |
💡 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 (63.4 mm for Polestar 4). The outer diameter depends on your wheel — it is the wheel center bore diameter.
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