Tyre Size Calculator
Enter your existing wheel and tyre specification in 'Existing Setup' then enter the specification of your potentially new wheels and tyres to see what a difference it will make!
This tool is great for working out if your new wheels will give you more or less clearance to your suspension and wheel arches. If you have any questions or need help using it please do get in touch and we'll be happy to help you with it.
Existing setup
New setup
- Tyre diagram
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The image to the left shows your 'Existing' wheel and tyre (grey + black) with the 'New Setup' (green + black) overlaid.
This is a graphical representation of how your chosen change in wheel and tyre will affect your stance, poke and clearance.
To see the wheel to tyre ratio changes, and the Existing vs New tyres in profile select 'Tyre Image'.
For the measurements, take a look in the 'Data Table' tab.
- Tyre image
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- Data table
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Existing New Tyre Diameter 631.9mm 625.3mm Tyre Circumference 1985.2mm 1964.4mm Additional Poke N/A Inboard Clearance N/A Gearing Change N/A 1.01% Speedo at 30mph 30mph Speedo at 60mph 60mph Ride Height Change N/A Arch Gap Change N/A
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Excl. VAT: £150.00 Incl. VAT: £180.00Force,17,7.5,4100,ET45,Slate Blue Perfect for the MK4 Mazda MX5 Learn More -
Excl. VAT: £158.33 Incl. VAT: £190.00Force,17,8,5100,ET35,Flat Black with Red Lip Learn More -
Excl. VAT: £137.50 Incl. VAT: £165.00Grid,15,7,5x114,ET20,Speed Bronze Learn More -
Excl. VAT: £158.33 Incl. VAT: £190.00Grid,17,8,4100,ET35,Speed Bronze Learn More -
Excl. VAT: £158.33 Incl. VAT: £190.00Hugely popular wheels with the following vehicles and many more: Audi A3 Audi A4 Seat Leon Skoda Octavia VW Caddy VW Golf MkV VW Golf MkVI VW Golf MkVII Learn More
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Excl. VAT: £158.33 Incl. VAT: £190.00Grid,17,8,5114,ET42,Speed Bronze Learn More
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Excl. VAT: £224.99 Incl. VAT: £269.99The Latest in the evolution of the Rota Grid, the Grid FF utilises the latest in Flow Forged Technology, resulting in impressive weight savings. Just 8.8kg in the specs listed. Learn More -
Excl. VAT: £224.99 Incl. VAT: £269.99The Latest in the evolution of the Rota Grid, the Grid FF utilises the latest in Flow Forged Technology, resulting in impressive weight savings. Just 8.8kg in the specs listed. Learn More -
Excl. VAT: £249.99 Incl. VAT: £299.99The Latest in the evolution of the Rota Grid, the Grid FF utilises the latest in Flow Forged Technology, resulting in impressive weight savings. Just 9.0kg in the specs listed. Learn More -
Excl. VAT: £137.50 Incl. VAT: £165.00Grid Offroad,15,7,6139,ET35,Speed Bronze Learn More
