Riding a quad bike on the road requires the use of approved tyres. Approval guarantees that your tyres meet the necessary safety and performance standards for use on public roads.
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What is a road-approved quad tyre?
A road-approved quad tyre is specifically designed to meet the safety and performance standards required for use on public roads. It is identified by a regulatory marking: the "E" marking followed by a number (e.g., E4).
This marking is a legal requirement for all quads used on the road. It proves that the tyre complies with ECE regulations, particularly Regulation No. 75, which applies to tyres for two- or three-wheeled vehicles and quads (category L).
Example: a tyre marked "E4 75R 001234" is approved under European standards and can be used on a quad bike on the road.
Without approved tyres, a registered and insured quad can be deemed non-compliant. This may result in a fine, vehicle immobilisation during a roadside check, or an insurance claim being refused in the event of an accident.
Approval also ensures that the tyre meets specific criteria: durability, grip on hard surfaces, noise level, and braking performance. These factors are essential for safe road riding.
To ensure compliant and safe use on the road, several technical criteria must be respected when choosing your road-approved quad tyres, especially regarding size, compatibility, and performance indices.
Dimensions and compatibility
Road-approved tyres must strictly match the sizes recommended by the quad manufacturer. These dimensions are listed on the registration document or in the vehicle manual. A tyre that is too wide, too tall, or with an incorrect rim diameter can compromise stability or render the quad non-compliant. It is therefore vital to choose tyres that are both approved and perfectly compatible with the rims and the vehicle.
Speed and load rating
It is forbidden to fit tyres with a lower load or speed rating than the original or the rating recommended by the manufacturer. A higher rating, however, is permitted.
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What is an approved tyre?
A road-approved quad tyre bears the marking "E" + number (e.g., E4) and does not include the mention "NHS".
Why fit road tyres on a quad?
Fitting road tyres on a quad offers major advantages:
Maximum grip on tarmac: softer rubber and a smooth tread provide superior grip in corners and during emergency braking.
Comfort & quietness: shallow tread patterns create fewer vibrations, giving a smoother ride and reduced noise, ideal for road use.
Slower wear: rubber formulated for asphalt is more resistant to abrasion than off-road tyres.
Approval and insurance: the E-xx or DOT+E marking is essential for legal road use, MOT compliance, and insurance cover in case of an incident.
