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2017 Bentley Continental GT Convertible Galene Edition Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Bentley Continental GT Convertible Galene Edition wheels? This page gives the 2017 Bentley Continental GT Convertible Galene Edition bolt pattern (5x112), centre bore, factory rim size and the offset range for aftermarket and forged Bentley Continental GT Convertible Galene Edition rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Bentley Continental GT Convertible Galene Edition (2017): 5x112 bolt pattern, 57.1mm center bore. Factory wheels: F: 21x9.5J R: 21x11.0J. Reference fitment ranges.
Bolt Pattern5x112
Wheel Bolt/NutM14x1.5 Bolt
Center Bore57.1mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Caliper TypeBrembo multi-piston fixed caliper, front & rear (OEM, standard across Bentley Continental/Flying Spur lineup)
Year2017
CategoryLuxury Convertible
✓ 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: 21x9.5J R: 21x11.0J |
| Flush Fitment | F 21x10.0J ET35 / R 21x11.5J ET40 |
| Maximum Aggressive | F 22x10.5J ET30 / R 22x12.0J ET35 |
Forged Wheel Designs for the Bentley Continental GT Convertible Galene Edition
Every design below is forged to order, so it can be machined to the Bentley Continental GT Convertible Galene Edition's 5x112 bolt pattern and 57.1 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
With less structural stiffness from the missing roof, a convertible's suspension tuning leans more heavily on unsprung mass control. Forged construction keeps wheel weight down at the same strength rating, which is one less variable working against the Bentley Continental GT Convertible Galene Edition's chassis.
The Bentley Continental GT Convertible Galene Edition runs a 5x112 bolt pattern, 57.1mm center bore, and a F: 21x9.5J wheel from the factory. Our Flush Fitment reference is F 21x10.0J ET35 / R 21x11.5J ET40, which tucks the tire under the fender lip on a stock-height Bentley Continental GT Convertible Galene Edition. Our Maximum Aggressive reference is F 22x10.5J ET30 / R 22x12.0J ET35 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Bentley Continental GT Convertible Galene Edition OE Wheel Specs
The 2017 Bentley Continental GT Convertible Galene Edition (Luxury Convertible) uses a 5x112 bolt pattern with a 57.1mm center bore. Factory wheels are F: 21x9.5J R: 21x11.0J.
Why the factory spec works for most owners:
- Balances ride comfort with everyday fuel efficiency
- A widely used size in this segment, so tire and wheel availability stays strong
- Keeps unsprung weight low for stable, predictable handling
- Maintains clearance for the factory brake calipers and suspension components
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Bentley Continental GT Convertible Galene Edition (2017) we drill the 5x112 pattern and cut the centre bore to 57.1mm 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 & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: F 21x9.5J ET41 → ~6.86″ F backspacing, R 21x11.0J ET48 → ~7.89″ R backspacing
- Flush: F 21x10.0J ET35 → ~6.88″ F backspacing, R 21x11.5J ET40 → ~7.82″ R backspacing
- Max: F 22x10.5J ET30 → ~6.93″ F backspacing, R 22x12.0J ET35 → ~7.88″ R backspacing
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 Bentley spec, or want a wheel built to a custom offset for your Bentley Continental GT Convertible Galene Edition? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Frequently Asked Questions
What bolt pattern (PCD) does the Bentley Continental GT Convertible Galene Edition use?
The 2017 Bentley Continental GT Convertible Galene Edition uses a 5x112 bolt pattern.
How many lug bolts does the Bentley Continental GT Convertible Galene Edition use?
The Bentley Continental GT Convertible Galene Edition uses a 5-lug bolt pattern (5x112), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Bentley Continental GT Convertible Galene Edition?
The Bentley Continental GT Convertible Galene Edition's center bore is 57.1mm. 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 Bentley Continental GT Convertible Galene Edition?
Factory wheels on the Bentley Continental GT Convertible Galene Edition are F: 21x9.5J R: 21x11.0J.
What is the biggest wheel size I can fit on my Bentley Continental GT Convertible Galene Edition without rubbing?
The most aggressive fitment we recommend without fender work is F 22x10.5J ET30 / R 22x12.0J ET35. 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 Bentley Continental GT Convertible Galene Edition?
For a flush look with minimal to no rubbing, we recommend F 21x10.0J ET35 / R 21x11.5J ET40 as a starting point on a stock or mildly lowered Bentley Continental GT Convertible Galene Edition.
Do I need wheel spacers for my Bentley Continental GT Convertible Galene Edition?
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 Bentley Continental GT Convertible Galene Edition?
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 6.88" backspacing up front and 7.82" 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 Bentley Continental GT Convertible Galene Edition?
Yes — the Bentley Continental GT Convertible Galene Edition'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.