Volvo XC90 / S90 Forged Wheels
Metallic Gray 10-Spoke
2007 Volvo Caresto C70 Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Volvo Caresto C70 wheels? This page gives the 2007 Volvo Caresto C70 bolt pattern (5x108), centre bore, factory rim size and the offset range for aftermarket and forged Volvo Caresto C70 rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2007 Volvo Caresto C70 uses a 5x108 bolt pattern with a 63.4 mm centre bore and M14x1.5 lug bolts. Factory wheels: 20x8.5J at ET45. For aftermarket wheels, 20x9.5J ET35 sits flush and 21x10J ET30 is the most aggressive fit.
Forged wheels for the 2007 Volvo Caresto C70 — drilled 5x108 with a 63.4 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in about 25 days.
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Volvo Caresto C70 (2007): 5x108 bolt pattern, 63.4mm center bore. Factory wheels: 20x8.5J. Reference fitment ranges.
Bolt Pattern5x108
Wheel Bolt/NutM14x1.5 Bolt
Center Bore63.4mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Year2007
CategoryCustom Convertible
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
Built to order by ANKUSI — IATF 16949 & ISO 9001 certified forged wheel manufacturer, TÜV/SFI/VIA compliant. See our factory & certifications →
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | 20x8.5J at ET45 |
| Flush Fitment | 20x9.5J at ET35 offset |
| Maximum Aggressive | 21x10J at ET30 offset |
Forged wheels for the Volvo Caresto C70Machined to the 5x108 bolt pattern and 63.4 mm bore · 14–24 inch · offset calculated for your car · 3D drawing before production
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
Convertibles lose some of the structural rigidity a fixed roof provides, which means the suspension and wheels end up doing more of the work to keep the chassis composed. A forged wheel keeps unsprung mass down without sacrificing the strength margin the factory built in — useful on a platform that's already managing extra flex.
The Volvo Caresto C70 runs a 5x108 bolt pattern, 63.4mm center bore, and a 20x8.5J at ET45, front and rear, wheel from the factory. Our Flush Fitment reference is 20x9.5J ET35, which tucks the tire under the fender lip on a stock-height Volvo Caresto C70. Our Maximum Aggressive reference is 21x10J ET30 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Volvo Caresto C70 OE Wheel Specs
The 2007 Volvo Caresto C70 (Custom Convertible) uses a 5x108 bolt pattern with a 63.4mm center bore. Factory wheels are 20x8.5J at ET45.
Why the factory spec works for most owners:
- Matches the chassis tuning used to help offset reduced structural rigidity
- Balances ride comfort with the sportier character typical of this body style
- Keeps unsprung weight low for stable handling
- Maintains clearance for the factory brake package and suspension components
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Volvo Caresto C70 (2007) we drill the 5x108 pattern and cut the centre bore to 63.4mm 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.
Flush Fitment
For a flush look with minimal rubbing, 20x9.5J ET35 is the recommended starting point on a stock or mildly lowered Volvo Caresto C70.
Maximum Aggressive Fitment
21x10J ET30 is a more aggressive reference setup. Beyond this, expect rubbing under compression without fender rolling or camber correction.
5-Tier Configuration Options
A Factory-Style 20x8.5J ET45
Recommended setup: 20x8.5J ET45 | Economy impact: Negligible | Best for: Daily commuting, family use
Appearance: 7/10 | Comfort: 9.5/10 | Install difficulty: ★☆☆☆☆
Estimated cost: $1,200-1,500 (wheels + tires + install)
B Comfortable Upgrade 20x9.0J ET40
Recommended setup: 20x9.0J ET40 | Economy impact: -2 to -4% | Best for: Daily / street
Appearance: 8/10 | Comfort: 9/10 | Install difficulty: ★☆☆☆☆
Estimated cost: $1,950-2,550 (wheels + tires + install)
C Balanced / Flush Fit 20x9.5J ET35
Recommended setup: 20x9.5J ET35 | Economy impact: -4 to -6% | Best for: Street
Appearance: 8.5/10 | Comfort: 8/10 | Install difficulty: ★★☆☆☆
Estimated cost: $2,600-3,400 (wheels + tires + install)
D Aggressive 21x10.0J ET33
Recommended setup: 21x10.0J ET33 | Economy impact: -6 to -9% | Best for: Show / occasional track
Appearance: 9/10 | Comfort: 6.5/10 | Install difficulty: ★★★☆☆
Estimated cost: $3,900-5,000 (wheels + tires + install)
E Max Aggressive 21x10.0J ET30
Recommended setup: 21x10.0J ET30 | Economy impact: -8 to -12% | Best for: Show only
Appearance: 9.5/10 | Comfort: 4/10 | Install difficulty: ★★★★☆
Estimated cost: $4,800-6,200+ (wheels + tires + install)
Performance Comparison Matrix
| Metric | Tier A | Tier B | Tier C | Tier D | Tier E |
|---|---|---|---|---|---|
| Wheel Spec | 20x8.5J ET45 | 20x9.0J ET40 | 20x9.5J ET35 | 21x10.0J ET33 | 21x10.0J ET30 |
| Economy Impact | Negligible | -2 to -4% | -4 to -6% | -6 to -9% | -8 to -12% |
| Appearance | 7/10 | 8/10 | 8.5/10 | 9/10 | 9.5/10 |
| Comfort | 9.5/10 | 9/10 | 8/10 | 6.5/10 | 4/10 |
| Install Difficulty | ★☆☆☆☆ | ★☆☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★☆ |
| Cost Range | $1,200-1,500 | $1,950-2,550 | $2,600-3,400 | $3,900-5,000 | $4,800-6,200+ |
| Best For | Daily commuting, family use | Daily / street | Street | Show / occasional track | Show only |
Real-World Reference Cases
The examples below are compiled from typical ANKUSI customer configurations and are labeled as reference cases, not individually verified real-world builds.
Case 1: Daily Driver (Factory-Style)
Profile: Everyday driving, prioritizes comfort and low running cost.
Setup: 20x8.5J ET45
Cost: ~$620
Outcome: Minimal visual change, ride and fuel economy essentially unaffected.
Case 2: Balanced Enthusiast (Balanced / Flush Fit)
Profile: Wants a sportier stance without sacrificing daily usability.
Setup: 20x9.5J ET35
Cost: ~$3,000
Outcome: Noticeable visual upgrade, fuel economy drop within the expected range.
Case 3: Show Build (Max Aggressive)
Profile: Built primarily for shows or occasional track/show use.
Setup: 21x10.0J ET30
Cost: ~$5,500
Outcome: Maximum visual impact; daily comfort and fuel economy are heavily compromised, physical test fit required before production.
Decision Guide
1
What's your primary use? Daily commuting → Tier A/B. Weekend street driving → Tier B/C. Show or occasional track use → Tier D/E.
2
What's your budget? Under $800 → Tier A. $800-3,400 → Tier B/C. $3,400+ → Tier D/E.
3
How much does fuel economy matter? Very important → Tier A. Somewhat important → Tier B/C. Not a priority → Tier D/E.
4
Still unsure? Tier C (Balanced / Flush Fit) is the default choice for most Volvo Caresto C70 owners.
Offset & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: 20x8.5J ET45 → ~6.52″ backspacing
- Flush: 20x9.5J ET35 → ~6.63″ backspacing
- Max: 21x10J ET30 → ~6.68″ 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 Volvo spec, or want a wheel built to a custom offset for your Volvo Caresto C70? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Custom Forged Wheels for the Volvo Caresto C70 (2007)
Everything above is reference data. If you want wheels actually built to it, that is what ANKUSI does: we are a forged wheel factory in Guangzhou, China, IATF 16949 and ISO 9001 certified, forging on our own 10,000-ton press and producing over 120,000 wheels a year. Forging blank, CNC machining, finishing, coating and inspection all happen in the same building — nothing is subcontracted and nothing is relabelled from another manufacturer.
Every set is cut to order, so the 5x108 pattern and the 63.4mm centre bore are machined for this car specifically rather than shimmed with adaptor rings. Diameter, width, offset, concavity, monoblock or multi-piece construction and the finish are all yours to choose — most Volvo orders on this platform land somewhere between the 20x9.5J ET35 flush setup and the 21x10J ET30 aggressive setup referenced above.
Designs we already tool for the 5x108 pattern — each one is re-cut to your sizes and offsets:
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Volvo XC90 / S90 Forged Wheels – Gloss Black 5 Y-SpokeFrequently Asked Questions
What bolt pattern (PCD) does the Volvo Caresto C70 use?
The 2007 Volvo Caresto C70 uses a 5x108 bolt pattern.
How many lug bolts does the Volvo Caresto C70 use?
The Volvo Caresto C70 uses a 5-lug bolt pattern (5x108), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Volvo Caresto C70?
The Volvo Caresto C70's center bore is 63.4mm. 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 Volvo Caresto C70?
Factory wheels on the Volvo Caresto C70 are 20x8.5J at ET45.
What is the biggest wheel size I can fit on my Volvo Caresto C70 without rubbing?
The most aggressive fitment we recommend without fender work is 21x10J at ET30 offset. 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 Volvo Caresto C70?
For a flush look with minimal to no rubbing, we recommend 20x9.5J at ET35 offset as a starting point on a stock or mildly lowered Volvo Caresto C70.
Do I need wheel spacers for my Volvo Caresto C70?
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 Volvo Caresto C70?
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 6.63" 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 Volvo Caresto C70?
The Volvo Caresto C70 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.
Vehicles With the Same Hub as the Volvo Caresto C70 (5x108, 63.4 mm Bore)
In our database, 278 other vehicle entries from 17 makes use exactly the same 5x108 bolt pattern and 63.4 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.
5x108 is used by 7.7% of the vehicle pages in our English fitment guide (499 of 6,503); 55.9% of those also use a 63.4 mm center bore.
Hub-Centric Rings for a 63.4 mm Center Bore
A wheel with a center bore larger than 63.4 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 64.1 mm | 64.1 → 63.4 mm |
| 65.1 mm | 65.1 → 63.4 mm |
| 66.1 mm | 66.1 → 63.4 mm |
| 66.6 mm | 66.6 → 63.4 mm |
| 73.1 mm | 73.1 → 63.4 mm |
ANKUSI forged wheels are bored to exactly 63.4 mm for this vehicle, so no ring is needed.
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: 20x8.5 wheels · 20 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.
Forged Wheel Designs for the Volvo Caresto C70
Every design below is forged to order, so it can be machined to the Volvo Caresto C70's 5x108 bolt pattern and 63.4 mm center bore, with the width and offset calculated for your setup.
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APEX-Style forged wheels featuring the ARC-8-style ARC matte silver custom design, forged to order at ANKUSI's Guangzhou plant. Bolt pattern, centre bore, diameter, width and offset are machined for your exact vehicle — this listing covers 5-lug applications.
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Volvo S60 / S90 Fitment · 5-Lug
Volvo S60 T8 Polestar Engineered Forged Wheels
Gloss Black Aero Disc · 19-22in, 5×108
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.