The semi-slick tyre is not a tyre chosen at random, but a strategic choice when seeking performance and precision, especially during a trackday. Whether you are an experienced driver looking for the ideal tyre for your next track session or simply a curious motorist, we will help you understand why semi-slick tyres are a must when seeking performance.
What is a semi-slick tyre?
Semi-slick tyres, often called "gommards," have a tread that is much less sculpted than standard tyres. The use of semi-slick tyres is frequently associated with sporty driving and intense trackday sessions.
The purpose of semi-slick tyres is to maximise the contact surface with the road for better grip, especially in corners. Designed to offer their full potential in dry weather conditions and on well-maintained road surfaces, they are perfect for drivers looking to improve their lap times during a trackday or simply enjoy a more responsive and thrilling drive.
Semi-slick tyres have reduced grooves, or even almost none in some parts, without being completely smooth like slick tyres used in motor racing. Their special composition offers a soft rubber and resistance to high temperatures, which is crucial during intensive use on a circuit.
However, it is essential to note that in the rain or cold weather, semi-slicks will lose efficiency. Their use becomes more delicate due to the reduced ability to evacuate water or the hardening of the rubber at low temperatures.
Most requested dimensions
Why use semi-slick tyres?
The advantage of semi-slick tyres is that they offer superior grip compared to traditional tyres. This grip is mainly due to the larger contact surface between the tyre and the road, allowing better transmission of forces, especially during acceleration and braking.
Thanks to their specific rubber, they adhere to the tarmac, providing a reassuring feeling of control and stability, even at high speeds. During a trackday, this consistency is key to pushing the limits of the vehicle safely. Within semi-slick tyres, there are three types of rubber:
- Hard rubber
- Medium rubber
- Soft rubber
Who are semi-slick tyres for?
Semi-slick tyres are particularly suitable for sports car drivers, trackday enthusiasts, and those who enjoy circuit outings with their car. These tyres meet the expectations of those who want to extract the maximum performance from their vehicle.
For amateur race drivers, semi-slick tyres represent the ideal transition between a classic road tyre and a full competition tyre. They allow familiarisation with a more radical road behaviour without the constraints and costs associated with slick tyres, making them the gold standard for any trackday participant.
Some passionate drivers may be tempted to equip their touring car with semi-slick tyres to benefit from improved grip and a more sporty driving experience.
Are semi-slick tyres road legal?
Yes, the majority of semi-slick tyres are approved for road use, allowing you to drive to your trackday and back without changing wheels. However, some semi-slick tyres are not road legal, and they are recognisable by the NHS (Not for Highway Service) specification.
What is the lifespan of semi-slick tyres?
Although semi-slick tyres are designed for optimal performance, they are also known for their durability in the context of sporty use. Their special composition better withstands the high temperatures generated by aggressive driving and the stresses imposed by the track during a full trackday. They wear more evenly, which can be an economic advantage in the long term for track driving enthusiasts.
What are the best semi-slick tyres?
There are many models of semi-slick tyres prized for their reliability and performance on the track. They are the preferred choice for a successful trackday. Among them, we can mention:
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