Welcome to Rota Wheels UK - the home of Rota Wheels in Europe

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

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
Data table
ExistingNew
Tyre Diameter631.9mm625.3mm
Tyre Circumference1985.2mm1964.4mm
Additional PokeN/A
Inboard ClearanceN/A
Gearing ChangeN/A1.01%
Speedo at 30mph30mph
Speedo at 60mph60mph
Ride Height ChangeN/A
Arch Gap ChangeN/A

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  1. GR6 18x7.5 5x114 ET45 Bronze

    Regular Price: £195.00

    Special Price Excl. VAT: £146.25 Incl. VAT: £175.50

    GR6,18,7.5,5114,ET45,Bronze Learn More
  2. GR6 18x7.5 5x114 ET45 Flat Black 2

    Regular Price: £200.00

    Special Price Excl. VAT: £150.00 Incl. VAT: £180.00

    GR6,18,7.5,5114,ET45,Flat Black 2 Learn More
  3. Gra 17x7.5 5x100 ET48 Bronze
    Excl. VAT: £150.00 Incl. VAT: £180.00
    Gra,17,7.5,5100,ET48,Bronze Learn More
  4. Gra 17x7.5 5x100 ET48 Flat Black 2
    Excl. VAT: £150.00 Incl. VAT: £180.00
    Gra,17,7.5,5100,ET48,Flat Black 2 Learn More
  5. Gra 17x7.5 5x100 ET48 Gold
    Excl. VAT: £150.00 Incl. VAT: £180.00
    Gra,17,7.5,5100,ET48,Gold Learn More
  6. Gra 17x7.5 5x100 ET48 Gunmetal
    Excl. VAT: £150.00 Incl. VAT: £180.00
    Gra,17,7.5,5100,ET48,Gunmetal Learn More
  7. Gra 17x7.5 5x100 ET48 Silver
    Excl. VAT: £150.00 Incl. VAT: £180.00
    Gra,17,7.5,5100,ET48,Silver Learn More
  8. Gra 17x7.5 5x100 ET48 Steelgrey
    Excl. VAT: £150.00 Incl. VAT: £180.00
    Gra,17,7.5,5100,ET48,Steelgrey Learn More
  9. Gra 17x7.5 5x100 ET48 White
    Excl. VAT: £150.00 Incl. VAT: £180.00
    Gra,17,7.5,5100,ET48,White Learn More
  10. Gra 18x7.5 5x100 ET48 Bronze
    Excl. VAT: £166.67 Incl. VAT: £200.00
    Gra,18,7.5,5100,ET48,Bronze Learn More

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