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Identify the size of your tyre
The exact dimensions of a tyre can be found on the sidewall printed mark. The graphic shows how to read properties and dimensions of the tyre:
 
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SPEED INDEX:
The speed index indicates the maximum speed intended for the tyre. Up to this value, the manufacturer guarantees optimum operation with the appropriate tyre pressure. The maximum speed allowed for this vehicle is given in the vehicle owner's manual; this information can be used to select the appropriate speed index for the tyre. The speed index is the last mark on the sidewall of the tyre.
 
Load Index
Permissible maximum axle load per tyre in kg. To be found in the registration certificate or vehicle registration document or read directly from the tyre (two-digit number). It is permitted to fit a tyre with a higher load index.
 
Driving safety despite puncture
Runflat tyres are puncture-resistant tyres with reinforced sidewalls. This creates the so-called run-flat property. In the event of damage, this allows the vehicle to continue driving up to a distance of approx. 100 km (and even beyond depending on the product) at a maximum speed of 80 km/h, even if the pressure has been completely lost. Run-flat tyres even prevent the tyre rubber from jumping off the rim in the event of a loss of air pressure. A flat tyre is therefore still a flat tyre, but it loses some of its drama. Note: All run-flat tyres are marked with the symbol "RSC" (Runflat System Component) and may only be fitted in vehicles with a functioning air pressure control system!
 
Tyres with increased load capacity
Reinforced tyres are designed for higher loads than normal tyres. They can be identified by the designation 'RF' (reinforced) or also 'XL' or 'Extra Load'. They are used on vans, minibuses, off-road vehicles, etc. However, their mounting alone does not automatically result in higher load capacity but also requires a correspondingly higher air pressure. Furthermore, the load capacity index specified in the vehicle documents continues to apply.
 
Tyres with extra high load capacity
The "C" in the term C tyres stands for "commercial". These tyres are specially designed for commercial vehicles. These can be, for example, lighter trucks, delivery vans, flatbed trucks or panel vans. In other words: vehicles that have to move higher loads at a comparatively lower speed. The multi-ply reinforced C tyres are therefore even more load-bearing than reinforced tyres.
 
Mobility-optimised tyres
A tyre with a sealing layer on the opposite side of the tyre tread. In the event of a puncture (e.g. by a nail), this layer blocks any loss of air, even if the foreign body causing the puncture is still in the tyre. It is not necessary to stop or change the tyres immediately at the roadside.
 
Mobility-optimised tyres
A tyre with a sealing layer on the opposite side of the tyre tread. In the event of a puncture (e.g. by a nail), this layer blocks any loss of air, even if the foreign body causing the puncture is still in the tyre. It is not necessary to stop or change the tyres immediately at the roadside.
 
Tyres optimised for electric vehicles.
Tyre developed for electric vehicles. These tyres can also be used without hesitation on vehicles with other drive systems.
 

Our offer for  Sonix  275/45  21   

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Prices include VAT and delivery within Ireland

Sonix Prime UHP 08
Sonix
Prime UHP 08
275/45 ZR21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  165.46 £
limited stock
Details
Free shipping **
Sonix Winter Xpro 999
Sonix
Winter Xpro 999
275/45 R21 110H XL

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 71 dB
just  183.56 £
In Stock
Details
Free shipping **
Sonix Winter Xpro Studs 69
Sonix
Winter Xpro Studs 69
275/45 R21 110T, studded

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
just  180.53 £
In Stock
Details
Free shipping **
Show all the tyres in the selected size
Rockblade Rock 525
Rockblade
Rock 525
275/45 R21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  97.98 £
limited stock
Details
Free shipping **
Leao Nova Force C/S
Leao
Leao
Nova Force C/S
275/45 R21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 73 dB
just  100.43 £
In Stock
Details
Free shipping **
Accelera Iota ST-68
Accelera
Accelera
Iota ST-68
275/45 R21 101V XL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 68 dB
just  101.11 £
In Stock
Details
Free shipping **
Superia EcoBlue EV
Superia
EcoBlue EV
275/45 R21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
just  109.07 £
In Stock
Details
Free shipping **
Triangle AdvanteX SUV TR259
Triangle
Triangle
AdvanteX SUV TR259
275/45 R21 110Y XL, SUV

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 73 dB
just  109.10 £
In Stock
Details
Free shipping **
Kustone Passion P9S
Kustone
Passion P9S
275/45 R21 110W XL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 73 dB
just  111.81 £
In Stock
Details
Free shipping **
AUSTONE Athena SP-303
AUSTONE
Athena SP-303
275/45 R21 110Y XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 73 dB
just  110.44 £
limited stock
Details
Free shipping **
Tracmax X-Privilo S330
Tracmax
X-Privilo S330
275/45 R21 110V XL

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 73 dB
just  111.56 £
In Stock
Details
Free shipping **
Arivo Ultra ARZ-5
Arivo
Ultra ARZ-5
275/45 ZR21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(1)
Average based on 1 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 18000
(1)

Reifentest.com

just  111.67 £
In Stock
Details
Free shipping **
Road Rider Strada SUV
Road Rider
Strada SUV
275/45 R21 110Y XL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
just  111.81 £
In Stock
Details
Free shipping **
Tracmax X Privilo RS01
Tracmax
X Privilo RS01
275/45 R21 110Y XL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 72 dB
just  112.87 £
In Stock
Details
Free shipping **
RoadX RXQuest Sport SUV
RoadX
RXQuest Sport SUV
275/45 R21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 71 dB
just  121.11 £
In Stock
Details
Free shipping **
Crosswind Sport Peak C/S
Crosswind
Sport Peak C/S
275/45 R21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 73 dB
just  114.46 £
In Stock
Details
Free shipping **
RoadX SU01
RoadX
SU01
275/45 R21 110Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
just  117.55 £
In Stock
Details
Free shipping **
Prinx Xnex Sport EV
Prinx
Xnex Sport EV
275/45 R21 110Y XL EV, with rim protection (MFS)

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance A Wet grip B Noise emissions 71 dB
just  119.87 £
limited stock
Details
Free shipping **
Tristar Snowpower UHP
Tristar
Tristar
Snowpower UHP
275/45 R21 101V XL, with rim protection (MFS)

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 73 dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(4)
Average based on 4 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 1167530
(4)

Reifentest.com

just  120.79 £
In Stock
Details
Free shipping **
Radar Dimax R8+
Radar
Radar
Dimax R8+
275/45 ZR21 110Y XL EVc

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 73 dB
just  137.91 £
In Stock
Details
Free shipping **
Comforser CF710
Comforser
CF710
275/45 ZR21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip B Noise emissions 71 dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(1)
Average based on 1 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 3110
(1)

Reifentest.com

just  125.79 £
limited stock
Details
Free shipping **
Sailun Atrezzo ZSR2 SUV
Sailun
Sailun
Atrezzo ZSR2 SUV
275/45 R21 110Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 72 dB
just  126.81 £
In Stock
Details
Free shipping **
Dynamo MSU01
Dynamo
MSU01
275/45 R21 110Y XL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
just  142.66 £
In Stock
Details
Free shipping **
Churchill GRB009
Churchill
GRB009
275/45 R21 110Y XL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
just  127.69 £
In Stock
Details
Free shipping **
Admiral GRB009
Admiral
GRB009
275/45 R21 110Y XL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
just  127.69 £
In Stock
Details
Free shipping **
Roadcruza RA 710
Roadcruza
RA 710
275/45 ZR21 110W XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip B Noise emissions 71 dB
just  128.63 £
limited stock
Details
Free shipping **
Lanvigator Excite
Lanvigator
Excite
275/45 ZR21 110Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  130.21 £
In Stock
Details
Free shipping **
Dynamo Street-H Pursuit SUV
Dynamo
Street-H Pursuit SUV
275/45 R21 110W XL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 71 dB
just  145.79 £
In Stock
Details
Free shipping **
There are 28 of 165 tyres displayed
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** Prices include VAT and delivery within mainland UK (excl. Scottish Highlands).

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