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2022 Opel Rocks-e Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Opel Rocks-e wheels? This page gives the 2022 Opel Rocks-e bolt pattern (4x108), centre bore, factory rim size and the offset range for aftermarket and forged Opel Rocks-e rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2022 Opel Rocks-e uses a 4x108 bolt pattern with a 65.1 mm centre bore and M12x1.5 lug nuts. Factory wheels: 14x4J ET35. For aftermarket wheels, 15x5J ET30 sits flush.
Forged wheels for the 2022 Opel Rocks-e — drilled 4x108 with a 65.1 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Opel Rocks-e (2022): 4x108 bolt pattern, 65.1mm center bore, OE 14x4J ET35. Forged wheel fitment specs from ANKUSI.
Bolt Pattern4x108
Wheel Bolt/NutM12x1.5 Nut
Center Bore65.1mm
Wheel Load Rating500–650 kg/wheel (City / Microcar segment reference)
Year2022
CategoryQuadricycle
✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | 14x4J ET35 |
| Flush Fitment | 15x5J at ET30 offset |
Forged Wheel Designs for the Opel Rocks-e
Every design below is forged to order, so it can be machined to the Opel Rocks-e's 4x108 bolt pattern and 65.1 mm center bore, with the width and offset calculated for your setup.
OZ Racing-Style Gloss White 15-Spoke Forged Wheels
Monoblock · Gloss White
Bronze Gold Cross-Spoke Forged Wheels
Monoblock · Bronze Gold
APEX-Style Bright Silver 8 Twin-Spoke Mesh Forged Wheels
Monoblock · Bright Silver
Silver Round-Hole Steelie-Style Forged Wheels
Monoblock · Silver
Alfa Romeo OEM-Style Matte Silver 5-Spoke Forged Wheels
Monoblock · Matte Silver
APEX-Style Matte Bronze 8 Y-Spoke Mesh Forged Wheels
Monoblock · Matte Bronze
Black / Machined 4-Spoke Forged Wheels
Monoblock · Black Machined
How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
A sedan's wheel spec is a balance point the factory tuned between ride comfort, steering feel, and everyday durability. Forging lets us hold that same structural margin while cutting rotational mass, which is where most of the real-world benefit — quicker steering response, marginally better ride — actually comes from.
The Opel Rocks-e ships from the factory on a 4x108 bolt pattern with a 65.1mm center bore and a 14x4J ET35 wheel. Our flush reference for the Opel Rocks-e is 15x5J ET30.; our maximum aggressive reference is 15x5.5J ET25. — beyond that, expect clearance issues against the fender liner without further modification.
Opel Rocks-e OE Wheel Specs
Data correction (2026-09-19): Bolt pattern corrected from 4x100 to 4x108; centre bore corrected from 60.1 mm to 65.1 mm after re-verification against independent fitment references. See our open dataset for the correction log.
The Opel Rocks-e ships from the factory on 4x108 bolt pattern wheels with a 65.1mm center bore. The stock wheel size is 14x4J ET35, offering a balanced ride that suits most owners without any rubbing or clearance concerns.
Why the factory spec works for most owners:
- Balances ride comfort with steering response and highway efficiency.
- Wide tire and wheel availability at the factory diameter keeps replacement costs low.
- Lower unsprung weight than larger aftermarket wheels helps ride quality and acceleration.
- Guaranteed clearance against brake calipers and suspension components.
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Opel Rocks-e (2022) we drill the 4x108 pattern and cut the centre bore to 65.1mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.
Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.
The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.
Offset and Backspacing: Factory Wheel vs Options
Backspacing ≈ width/2 + ET/25.4 + 0.5 in. "Inward" means closer to the suspension; "outward" means closer to the fender lip.
| Setup | Size | ET | Backspacing | Inward vs OE | Outward vs OE |
|---|---|---|---|---|---|
| Factory (OE) | 14x4J | ET35 | 3.88 in (99 mm) | — | — |
| Flush | 15x5J | ET30 | 4.18 in (106 mm) | +8 mm | +18 mm |
| Maximum | 15x5.5J | ET25 | 4.23 in (108 mm) | +9 mm | +29 mm |
Vehicles With the Same Hub as the Opel Rocks-e (4x108, 65.1 mm Bore)
In our database, 123 other vehicle entries from 11 makes use exactly the same 4x108 bolt pattern and 65.1 mm center bore. Factory wheels from these cars bolt on and center on the hub without rings; offset and width still have to be checked.
4x108 is used by 2.6% of the vehicle pages in our English fitment guide (171 of 6,503); 72.5% of those also use a 65.1 mm center bore.
Hub-Centric Rings for a 65.1 mm Center Bore
A wheel with a center bore larger than 65.1 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 66.1 mm | 66.1 → 65.1 mm |
| 66.6 mm | 66.6 → 65.1 mm |
| 67.1 mm | 67.1 → 65.1 mm |
| 70.1 mm | 70.1 → 65.1 mm |
| 73.1 mm | 73.1 → 65.1 mm |
ANKUSI forged wheels are bored to exactly 65.1 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Opel Rocks-e use?
The 2022 Opel Rocks-e uses a 4x108 bolt pattern.
How many lug bolts does the Opel Rocks-e use?
The Opel Rocks-e uses a 4-lug bolt pattern (4x108), so you need a 4-lug forged wheel to bolt straight on.
What is the center bore size on the Opel Rocks-e?
The Opel Rocks-e's center bore is 65.1mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What size are the factory (stock) wheels on the Opel Rocks-e?
Factory wheels on the Opel Rocks-e are 14x4J ET35.
What does a flush wheel fitment look like on the Opel Rocks-e?
For a flush look with minimal to no rubbing, we recommend 15x5J at ET30 offset as a starting point on a stock or mildly lowered Opel Rocks-e.
Do I need wheel spacers for my Opel Rocks-e?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
How do I calculate wheel backspacing for my Opel Rocks-e?
Backspacing (in inches) = wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance). For example, the flush spec above works out to roughly 4.18" of backspacing.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my Opel Rocks-e?
The Opel Rocks-e runs the same wheel size front and rear from the factory, so staggered fitment is not required. ANKUSI can still forge a staggered set (wider rear) on request if you want a more aggressive stance.
Sources and Last Update
Data checked against: avtoreference.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Other cars on the same factory size: 14 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.