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: £254.17 Incl. VAT: £305.00PSD,17,9,5130,ET16,Black with Polished Lip Aimed squarely at the Porsche 911 and based on a legendary design, with sizing to suit staggered wheel setups, whether narrow-body or wide-body. Learn More -
Excl. VAT: £254.17 Incl. VAT: £305.00PSD,17,9,5130,ET16,RSR Aimed squarely at the Porsche 911 and based on a legendary design, with sizing to suit staggered wheel setups, whether narrow-body or wide-body. Learn More -
Excl. VAT: £125.00 Incl. VAT: £150.00Slipstream 15x6.5 4x95.25 ET7 Flat Black Specified perfectly for the front of a Lotus Elise S1, with the correct 4x95.25 PCD and 56.7mm centre bore. These can be paired with our 16x8.0, ET12 rear wheels to provide a full set in the perfect dimensions. Designed to accept the original Lotus Centre caps. Learn More -
Excl. VAT: £170.83 Incl. VAT: £205.00Titan,17,9,5100,ET42,Hyper Silver Learn More -
Excl. VAT: £170.83 Incl. VAT: £205.00Titan,17,9,5114,ET42,Flat Black 2 Learn More -
Excl. VAT: £216.67 Incl. VAT: £260.00Titan 18x9 4x108 ET20 Steelgrey Specialist fitment specified for Escort Cosworth. These can fit other vehicles too if the specs work. Learn More -
Excl. VAT: £216.67 Incl. VAT: £260.00Titan,18x9,5x112,E42,Flat Black 2 Learn More -
Excl. VAT: £216.67 Incl. VAT: £260.00Titan,18x9,5x112,E42,Gunmetal Learn More -
Excl. VAT: £170.84 Incl. VAT: £205.01Torque,17,9,4114,ET30,Bronze Learn More -
Excl. VAT: £166.67 Incl. VAT: £200.00Torque,17,9,5114,ET30,White Learn More
