Wheel Spacer Knowledge Hub | PCD, Centre Bore, Hub Size & Fitment Guides
Everything You Need to Know About Wheel Spacers, Fitment & Safety.
Welcome to the Stanced UK Wheel Spacer Knowledge Hub — your go-to resource for clear, honest and experience-backed guidance on choosing the right wheel spacers, hub-centric rings, bolts, and accessories for your car.
With over a decade of hands-on experience supplying Bimecc, Demon & Killer Offset spacer kits, we’ve answered thousands of fitment questions. This hub brings everything together in one place — from beginner fundamentals to expert technical advice.
Whether you’re after better stance, flush fitment, or simply correcting wheel offset, you’ll find all the answers here.
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Quick Start: Most Popular Guides
• What Do Wheel Spacers Do?
A simple explanation of how spacers push your wheels outward to improve stance, handling, and brake clearance — including the differences between slip-on and bolt-on spacers.
• Are Wheel Spacers Safe?
A deep dive into spacer safety, torque settings, materials, hub-centric vs non-hub-centric designs, and why choosing a high-quality aluminium alloy spacer matters.
• How Thick Should My Wheel Spacers Be?
A complete guide on choosing the right thickness for flush fitment, including how to measure arch gap properly.
• Do I Need Longer Bolts With Wheel Spacers?
How to choose the correct bolt length, seat type, and why extended bolts are essential for any slip-on spacer setup.
• Hub-Centric vs Non-Hub-Centric Wheel Spacers
Why 99% of road cars should only use hub-centric spacers, and what your hub bore says about your car.
Spacer Fitment Guides
• How to Measure PCD, Centre Bore & Hub Size
A beginner-friendly explanation of PCD formats (e.g., 5x112 vs 5x100), hub diameters, and how to match aftermarket alloys safely.
• Will Wheel Spacers Affect My MOT?
Honest, real-world guidance based on UK MOT rules — including when spacers are allowed, and what an inspector may look for.
• Will Wheel Spacers Affect Insurance?
What you legally must declare, what insurers usually accept, and how to avoid issues with undeclared modifications.
• Thick Spacers (20mm+): Bolt-On vs Slip-On
When bolt-on spacers are safer, what hub lip issues can occur, and how to avoid vibration.
Flush Fitment & Stance Guides
• How to Get the Perfect Flush Fitment
Step-by-step measuring guide using a straightedge, including how to find your ideal size (e.g., 10mm front / 15mm rear).
• Wheel Spacers for Wider Alloys
Understanding inner arch clearance, tyre poke, scrub radius, and how offsets change with different wheels.
• Spacers for Coilover Setups
Advice on clearing coilover spring perches, helper spring platforms, and why 3–5mm spacers can fix light rubbing.
Safety, Materials & Quality
• 6061-T6 vs 7075-T6 Aluminium – What’s the Difference?
A breakdown of strength, durability, corrosion resistance, and why Demon spacers match the same material grade as Bimecc.
• Common Causes of Wheel Vibration
Incorrect hub bore, wrong seat type bolts, spigot rings, and how to diagnose vibration at 60–70mph.
• How to Torque Wheel Bolts Correctly
Correct torque for most cars, re-torque intervals, and why overtightening can damage bolts and hubs.
Accessories Knowledge
• What Are Spigot Rings and Do I Need Them?
How they centre the wheel and why they’re essential with aftermarket alloys.
• Tapered vs Radius Bolts – What’s the Difference?
How to identify the correct bolt seat for your wheel brand (Audi/VW vs aftermarket).
Looking for Spacers?
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