
Speed Rating Q on Truck Tyres: Meaning, Safety & Breakdown Help
The speed rating Q stands for a maximum permitted speed of 160 km/h (99 mph). For trucks over 7.5 t, semi-trailers, trailers and buses, this rating is a safety-relevant value
24/7 Hotline

The speed rating Q stands for a maximum permitted speed of 160 km/h (99 mph). For trucks over 7.5 t, semi-trailers, trailers and buses, this rating is a safety-relevant value

TL;DR: On 14 August, a French haulier reported a semi-truck at its depot near Saarbrücken with a tyre slowly losing pressure. The Continental 315/80 R22.5 tyre had no puncture at

Every tyre has a maximum load limit. That number is printed on the tyre sidewall and in the vehicle registration document. Ignore it, and you risk a blowout, downtime and

If you drive a truck over 7.5 t, you need to know the axle load stated in the vehicle registration document. The permissible axle load is recorded in the registration

Key Takeaways (Quick Overview) Introduction: What Does Tyre 91H Actually Mean? On the sidewall of a car tyre, digits and a letter appear directly after the tyre size. 195/65 R15
Truck tyre pressure decides your braking distance, fuel consumption and tyre lifespan – a deviation of just a few tenths of a bar already changes how the vehicle handles. This

When a truck breaks down on the Autobahn, every minute counts. Delivery delays, driving-time violations, and steep costs loom. This article explains the breakdown services available for commercial vehicles over

Repair a truck tyre or replace it right away? This article explains when a repair on a heavy-duty tyre (7.5 t and up) is actually allowed, when only replacement will

What does XL mean on a tyre? XL stands for Extra Load and marks tyres built for a higher load capacity. This guide explains what that means in practice for
Request a Callback
Leave your details - we’ll call you back within 5 minutes.
Rückruf anfordern
Hinterlassen Sie Ihre Kontaktdaten, und wir rufen Sie innerhalb von 5 Minuten zurück.
Request a Callback
Leave your details - we’ll call you back within 5 minutes.