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2026 Subaru Trailseeker Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Subaru Trailseeker wheels? This page gives the 2026 Subaru Trailseeker bolt pattern (5x114.3), centre bore, factory rim size and the offset range for aftermarket and forged Subaru Trailseeker rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2026 Subaru Trailseeker uses a 5x114.3 bolt pattern with a 56.1 mm centre bore and M12x1.25 lug nuts. Factory wheels: 18x8J ET40. For aftermarket wheels, 18x9J ET32 sits flush.
Forged wheels for the 2026 Subaru Trailseeker — drilled 5x114.3 with a 56.1 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Subaru Trailseeker (2026): 5x114.3 bolt pattern, 56.1mm center bore, OE 18x8J ET40. Forged wheel fitment specs from ANKUSI.
Bolt Pattern5x114.3
Wheel Bolt/NutM12x1.25 Nut
Center Bore56.1mm
Wheel Load Rating900–1250 kg/wheel (SUV segment reference)
Year2026
Category5-Lug Large Sedan/SUV
Data check: the bolt pattern and center bore on this page have not yet been confirmed by a second independent source. Measure your hub or ask us before ordering. How we verify
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | 18x8J ET40 |
| Flush Fitment | 18x9J at ET32 offset |
Forged Wheel Designs for the Subaru Trailseeker
Every design below is forged to order, so it can be machined to the Subaru Trailseeker's 5x114.3 bolt pattern and 56.1 mm center bore, with the width and offset calculated for your setup.
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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
SUVs carry more curb weight higher off the ground, so wheel strength and rotational mass both matter more than on a comparable sedan — a heavier wheel amplifies body roll and slows steering response exactly where the platform is already working hardest. Forging keeps the wheel light without giving up the load rating the factory suspension geometry was tuned around.
The Subaru Trailseeker ships from the factory on a 5x114.3 bolt pattern with a 56.1mm center bore and a 18x8J ET40 wheel. Our flush reference for the Subaru Trailseeker is 18x9J ET32.; our maximum aggressive reference is 19x9J ET28. — beyond that, expect clearance issues against the fender liner without further modification.
Subaru Trailseeker OE Wheel Specs
The Subaru Trailseeker ships from the factory on 5x114.3 bolt pattern wheels with a 56.1mm center bore. The stock wheel size is 18x8J ET40, 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 Subaru Trailseeker (2026) we drill the 5x114.3 pattern and cut the centre bore to 56.1mm 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) | 18x8J | ET40 | 6.07 in (154 mm) | — | — |
| Flush | 18x9J | ET32 | 6.26 in (159 mm) | +5 mm | +21 mm |
| Maximum | 19x9J | ET28 | 6.10 in (155 mm) | +1 mm | +25 mm |
Vehicles With the Same Hub as the Subaru Trailseeker (5x114.3, 56.1 mm Bore)
In our database, 19 other Subaru entries use exactly the same 5x114.3 bolt pattern and 56.1 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.
5x114.3 is used by 20.0% of the vehicle pages in our English fitment guide (1,300 of 6,503); 1.5% of those also use a 56.1 mm center bore.
Hub-Centric Rings for a 56.1 mm Center Bore
A wheel with a center bore larger than 56.1 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 57.1 mm | 57.1 → 56.1 mm |
| 60.1 mm | 60.1 → 56.1 mm |
| 63.4 mm | 63.4 → 56.1 mm |
| 64.1 mm | 64.1 → 56.1 mm |
| 73.1 mm | 73.1 → 56.1 mm |
ANKUSI forged wheels are bored to exactly 56.1 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Subaru Trailseeker use?
The 2026 Subaru Trailseeker uses a 5x114.3 bolt pattern.
How many lug bolts does the Subaru Trailseeker use?
The Subaru Trailseeker uses a 5-lug bolt pattern (5x114.3), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Subaru Trailseeker?
The Subaru Trailseeker's center bore is 56.1mm. 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 Subaru Trailseeker?
Factory wheels on the Subaru Trailseeker are 18x8J ET40.
What does a flush wheel fitment look like on the Subaru Trailseeker?
For a flush look with minimal to no rubbing, we recommend 18x9J at ET32 offset as a starting point on a stock or mildly lowered Subaru Trailseeker.
Do I need wheel spacers for my Subaru Trailseeker?
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 Subaru Trailseeker?
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 6.26" 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 Subaru Trailseeker?
The Subaru Trailseeker 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, tirewheelguide.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: 18x8 wheels · 18 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.
Bolt pattern and center bore on this page come from published fitment references and are still awaiting a second independent check. Last reviewed 2026-09-18. Spotted an error? Email info@ankusi.com and we will verify and correct it.