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Home / Product Aspect Ratio / 40
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Filter tires by size

Finding Your Tyre Size

Your tyre size can be found on the sidewall of your current tyre and is a sequence of numbers and letters. It’s important to check your existing tyre or to check your vehicle handbook to ensure the right tyre size has been installed.

  • Tyre Width
  • Aspect Ratio
  • Rim Diameter

 

Tyre Width

The first three digits. This displays the width of the tyre in millimetres. A tyre marked 225 will measure 225mm across the tread from sidewall to sidewall.

 

Aspect Ratio

The fourth and fifth digits of the tyre code that immediately follow the tyre width. The aspect ratio or profile height of the tyre sidewall is expressed as a percentage of the tyre width. So an aspect ratio of 55 for example means that the profile height of the tyre is 55% of its width.

 

Rim Diameter

The next two digits represent the size of the wheel rim that the tyre can be fitted to. It is also the diameter of the tyre from bead to bead. So a tyre marked 16 will fit on a 16-inch wheel rim.


VREDESTEIN 285/40R22 ULTRAC VORTI-I XL 110Y
LIMITED STOCK
1 ITEMS LEFT
vredestein

VREDESTEIN 285/40R22 ULTRAC VORTI-I XL 110Y

KSh29,050
Add to cart
OTANI 275/40R18 BM1000 XL 103V
LIMITED STOCK
10 ITEMS LEFT
Otani

OTANI 275/40R18 BM1000 XL 103V

KSh21,250
Add to cart
CONTI 265/40R21 CONTISPORTCONTACT 7 ZR XL MO1 105Y
LIMITED STOCK
2 ITEMS LEFT
conti

CONTI 265/40R21 CONTISPORTCONTACT 7 ZR XL MO1 105Y

KSh63,500
Add to cart
Sale!
CONTI 235/40R18 CONTISPORTCONTACT 5P ZR XL MO 95Y
LIMITED STOCK
3 ITEMS LEFT
conti

CONTI 235/40R18 CONTISPORTCONTACT 5P ZR XL MO 95Y

KSh36,900 Original price was: KSh36,900.KSh32,600Current price is: KSh32,600.
Add to cart
CONTI 255/40R19 CONTISPORTCONTACT 5 SSR * FR 96W
conti

CONTI 255/40R19 CONTISPORTCONTACT 5 SSR * FR 96W

KSh57,100
Add to cart
Sale!
LAUFENN 245/40R19 LK03 ZR XL 98Y
LIMITED STOCK
8 ITEMS LEFT
Laufenn

LAUFENN 245/40R19 LK03 ZR XL 98Y

KSh29,100 Original price was: KSh29,100.KSh26,400Current price is: KSh26,400.
Add to cart
LAUFENN 275/40R19 LK03 ZR XL 105Y
LIMITED STOCK
9 ITEMS LEFT
Laufenn

LAUFENN 275/40R19 LK03 ZR XL 105Y

KSh32,400
Add to cart
Sale!
HANKOOK 255/40R19 K127 ZR XL 100Y
Hankook

HANKOOK 255/40R19 K127 ZR XL 100Y

KSh35,200 Original price was: KSh35,200.KSh32,000Current price is: KSh32,000.
Add to cart
CONTI 275/40R22 CONTISPORTCONTACT 7 ZR XL FR 107Y
LIMITED STOCK
6 ITEMS LEFT
conti

CONTI 275/40R22 CONTISPORTCONTACT 7 ZR XL FR 107Y

KSh71,950
Add to cart
Sale!
CONTI 265/40R21 CONTISPORTCONTACT 5P FR NO 101Y
LIMITED STOCK
4 ITEMS LEFT
conti

CONTI 265/40R21 CONTISPORTCONTACT 5P FR NO 101Y

KSh74,900 Original price was: KSh74,900.KSh63,200Current price is: KSh63,200.
Add to cart
Sale!
BLACKHAWK 245/40R18 STREET-H HU02 ZR XL BSW 97Y
Black Hawk

BLACKHAWK 245/40R18 STREET-H HU02 ZR XL BSW 97Y

KSh12,350 Original price was: KSh12,350.KSh10,700Current price is: KSh10,700.
Add to cart
CONTI 255/40R17 CONTIPREMIUMCONTACT 6 SSR 94W
LIMITED STOCK
2 ITEMS LEFT
conti

CONTI 255/40R17 CONTIPREMIUMCONTACT 6 SSR 94W

KSh59,800
Add to cart
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