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2026 Chevrolet Corvette ZR1X Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Chevrolet Corvette ZR1X wheels? This page gives the 2026 Chevrolet Corvette ZR1X bolt pattern (5x120), centre bore, factory rim size and the offset range for aftermarket and forged Chevrolet Corvette ZR1X rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2026 Chevrolet Corvette ZR1X uses a 5x120 bolt pattern with a 66.9 mm centre bore and M12x1.5 lug nuts. Factory wheels: F: 20x10.0J R: 21x13.0J. For aftermarket wheels, 20x10.5J ET35 front / 21x13.5J ET45 rear sits flush and 21x10.5J ET30 front / 22x13.5J ET40 rear is the most aggressive fit.
Forged wheels for the 2026 Chevrolet Corvette ZR1X — drilled 5x120 with a 66.9 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Chevrolet Corvette ZR1X (2026): 5x120 bolt pattern, 66.9mm center bore. Factory wheels: F: 20x10.0J R: 21x13.0J. Reference fitment ranges.
Bolt Pattern5x120
Wheel Bolt/NutM12x1.5 Nut
Center Bore66.9mm
Wheel Load Rating700–850 kg/wheel (Performance / Sports Car segment reference)
Caliper TypeBrembo 6-piston fixed front / 4-piston fixed rear (OEM)
Year2026
CategorySupercar
✓ 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) | F: 20x10.0J R: 21x13.0J |
| Flush Fitment | F 20x10.5J ET35 / R 21x13.5J ET45 |
| Maximum Aggressive | F 21x10.5J ET30 / R 22x13.5J ET40 |
Forged Wheel Designs for the Chevrolet Corvette ZR1X
Every design below is forged to order, so it can be machined to the Chevrolet Corvette ZR1X's 5x120 bolt pattern and 66.9 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
On a supercar, wheel weight is one of the few remaining places to cut rotational mass without touching the powertrain or chassis the factory already optimized. Forging gets there at the same structural margin as the OE wheel, which is exactly the trade a car built around outright performance rewards.
The Chevrolet Corvette ZR1X runs a 5x120 bolt pattern, 66.9mm center bore, and a F: 20x10.0J wheel from the factory. Our Flush Fitment reference is F 20x10.5J ET35 / R 21x13.5J ET45, which tucks the tire under the fender lip on a stock-height Chevrolet Corvette ZR1X. Our Maximum Aggressive reference is F 21x10.5J ET30 / R 22x13.5J ET40 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Chevrolet Corvette ZR1X OE Wheel Specs
The 2026 Chevrolet Corvette ZR1X (Supercar) uses a 5x120 bolt pattern with a 66.9mm center bore. Factory wheels are F: 20x10.0J R: 21x13.0J.
Why the factory spec works for most owners:
- Balances ride comfort with everyday drivability
- A commonly used size for this vehicle class, supporting parts and tire availability
- Maintains clearance for the factory suspension and brake components
- Provides stable, predictable handling across normal driving conditions
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Chevrolet Corvette ZR1X (2026) we drill the 5x120 pattern and cut the centre bore to 66.9mm 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 & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: F 20x10.0J ET40 → ~7.07″ F backspacing, R 21x13.0J ET50 → ~8.97″ R backspacing
- Flush: F 20x10.5J ET35 → ~7.13″ F backspacing, R 21x13.5J ET45 → ~9.02″ R backspacing
- Max: F 21x10.5J ET30 → ~6.93″ F backspacing, R 22x13.5J ET40 → ~8.82″ R backspacing
A Note on Clearance
Final clearance depends on the exact tire model, suspension height, brake package, alignment and vehicle tolerances. A physical test fit is recommended before production.
Want to check a different width or offset before you order? Use our Offset & Backspacing Calculator to solve the numbers yourself, or looking for your exact Chevrolet spec, or want a wheel built to a custom offset for your Chevrolet Corvette ZR1X? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Vehicles With the Same Hub as the Chevrolet Corvette ZR1X (5x120, 66.9 mm Bore)
In our database, 161 other vehicle entries from 10 makes use exactly the same 5x120 bolt pattern and 66.9 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.
5x120 is used by 10.3% of the vehicle pages in our English fitment guide (670 of 6,503); 24.2% of those also use a 66.9 mm center bore.
Hub-Centric Rings for a 66.9 mm Center Bore
A wheel with a center bore larger than 66.9 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 67.1 mm | 67.1 → 66.9 mm |
| 70.1 mm | 70.1 → 66.9 mm |
| 70.5 mm | 70.5 → 66.9 mm |
| 71.6 mm | 71.6 → 66.9 mm |
| 73.1 mm | 73.1 → 66.9 mm |
ANKUSI forged wheels are bored to exactly 66.9 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Chevrolet Corvette ZR1X use?
The 2026 Chevrolet Corvette ZR1X uses a 5x120 bolt pattern.
How many lug bolts does the Chevrolet Corvette ZR1X use?
The Chevrolet Corvette ZR1X uses a 5-lug bolt pattern (5x120), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Chevrolet Corvette ZR1X?
The Chevrolet Corvette ZR1X's center bore is 66.9mm. 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 Chevrolet Corvette ZR1X?
Factory wheels on the Chevrolet Corvette ZR1X are F: 20x10.0J R: 21x13.0J.
What is the biggest wheel size I can fit on my Chevrolet Corvette ZR1X without rubbing?
The most aggressive fitment we recommend without fender work is F 21x10.5J ET30 / R 22x13.5J ET40. Going beyond this typically causes rubbing under compression unless you roll the fenders or add camber correction.
What does a flush wheel fitment look like on the Chevrolet Corvette ZR1X?
For a flush look with minimal to no rubbing, we recommend F 20x10.5J ET35 / R 21x13.5J ET45 as a starting point on a stock or mildly lowered Chevrolet Corvette ZR1X.
Do I need wheel spacers for my Chevrolet Corvette ZR1X?
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 Chevrolet Corvette ZR1X?
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 7.13" backspacing up front and 9.02" in the rear.
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 Chevrolet Corvette ZR1X?
Yes — the Chevrolet Corvette ZR1X's factory and our recommended flush/max fitments already use staggered sizing (different width front and rear), and ANKUSI can forge matching staggered sets to your target offsets.
Wheel Installation Reference: Torque, Thread & TPMS
Thread & Fastener: M12x1.5, conical-seat lug nut.
Factory Torque Spec: 136 Nm (100 ft-lb). Covers most Chevrolet passenger cars and crossovers on M12 studs.
TPMS: TPMS (Tire Pressure Monitoring System) has been federally mandated on all new light vehicles sold in the US since the 2008 model year. If your wheels use OE-style sensors, have them transferred or cloned to the new wheels at installation.
Tire Pressure: Always set tire pressure to the value on your vehicle's tire placard (driver's doorjamb or glovebox), not the max PSI printed on the tire sidewall — this is trim- and tire-size-specific and stays the same reference point when you switch to a different wheel and tire combination.
Reference data compiled from published OEM service specifications and cross-checked against independent repair sources; always confirm against your owner's manual or door-jamb placard before installation.
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: 20x10 wheels · 20 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.