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1994 Rover 100 Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Rover 100 wheels? This page gives the 1994 Rover 100 bolt pattern (4x95.25), centre bore, factory rim size and the offset range for aftermarket and forged Rover 100 rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 1994 Rover 100 uses a 4x95.25 bolt pattern with a 57.1 mm centre bore and M12x1.5 lug nuts. Factory wheels: 13x4.5J ET52.
Forged wheels for the 1994 Rover 100 — drilled 4x95.25 with a 57.1 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Rover 100 (1994): 4x95.25 bolt pattern, 57.1mm center bore, OE 13x4.5J ET52. Forged wheel fitment specs from ANKUSI.
Bolt Pattern4x95.25
Wheel Bolt/NutM12x1.5 Nut
Center Bore57.1mm
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Year1994
CategoryHatchback
✓ 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) | 13x4.5J ET52 |
| Flush Fitment | 14x5.5J at ET30 offset |
Forged Wheel Designs for the Rover 100
Every design below is forged to order, so it can be machined to the Rover 100's 4x95.25 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
Hot hatches and performance compacts are built around quick direction changes, so rotational mass at the wheel has an outsized effect on how the car actually feels to drive. Forging trims that mass while holding the same strength margin as the factory wheel, which is exactly the trade-off this kind of platform rewards.
The Rover 100 ships from the factory on a 4x95.25 bolt pattern with a 57.1mm center bore and a 13x4.5J ET52 wheel. Our flush reference for the Rover 100 is 14x5.5J ET30.; our maximum aggressive reference is 15x6J ET25. — beyond that, expect clearance issues against the fender liner without further modification.
Rover 100 OE Wheel Specs
Correction (19 Sep 2026): factory wheel offset corrected from ET35 to ET52 (verified against wheel-size.com and avtoreference.com). The flush and maximum-aggressive reference sizes below were written against the previous figure and are being re-verified; treat them as provisional until this notice is removed.
The Rover 100 ships from the factory on 4x95.25 bolt pattern wheels with a 57.1mm center bore. The stock wheel size is 13x4.5J ET52, 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 Rover 100 (1994) we drill the 4x95.25 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 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) | 13x4.5J | ET52 | 4.80 in (122 mm) | — | — |
| Flush | 14x5.5J | ET30 | 4.43 in (113 mm) | −9 mm | +35 mm |
| Maximum | 15x6J | ET25 | 4.48 in (114 mm) | −8 mm | +46 mm |
Vehicles With the Same Hub as the Rover 100 (4x95.25, 57.1 mm Bore)
No other make in our database pairs 4x95.25 with a 57.1 mm center bore, so wheels taken from other brands need a hub-centric ring or a custom bore.
4x95.25 is used by 0.1% of the vehicle pages in our English fitment guide (7 of 6,503); 14.3% of those also use a 57.1 mm center bore.
Hub-Centric Rings for a 57.1 mm Center Bore
A wheel with a center bore larger than 57.1 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 60.1 mm | 60.1 → 57.1 mm |
| 63.4 mm | 63.4 → 57.1 mm |
| 64.1 mm | 64.1 → 57.1 mm |
| 65.1 mm | 65.1 → 57.1 mm |
| 73.1 mm | 73.1 → 57.1 mm |
ANKUSI forged wheels are bored to exactly 57.1 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Rover 100 use?
The 1994 Rover 100 uses a 4x95.25 bolt pattern.
How many lug bolts does the Rover 100 use?
The Rover 100 uses a 4-lug bolt pattern (4x95.25), so you need a 4-lug forged wheel to bolt straight on.
What is the center bore size on the Rover 100?
The Rover 100'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 Rover 100?
Factory wheels on the Rover 100 are 13x4.5J ET52.
What does a flush wheel fitment look like on the Rover 100?
For a flush look with minimal to no rubbing, we recommend 14x5.5J at ET30 offset as a starting point on a stock or mildly lowered Rover 100.
Do I need wheel spacers for my Rover 100?
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 Rover 100?
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 4.43" 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 Rover 100?
The Rover 100 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: 13x4.5 wheels · 13 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.