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Modern commercial truck and bus tyre sizes will look like 295/80R22.5 or 315/80R22.5. These are metric sizes, with the first number being the tyre WIDTH, next after the '/' comes the tyre PROFILE, and the final number is the RIM size. These size have an "R" in them to show that they are of RADIAL construction. So a 295/80R22.5 tyre has a WIDTH of 295mm, a PROFILE of 80, is of Radial construction and fits a 22.5 inch RIM.

Light trucks or vintage trucks or buses can sometimes have tyres with imperial size marking, such as 7.50R16 and 12.00R20. A 7.50R20 tyre has a WIDTH of 7.5 inches, is of Radial construction, and fits a RIM of 20" diameter. A lot of vintage or classic trucks/bus, and some military vehicles use Crossply tyres instead of Radial. Crossply tyres have a '-' instead of the 'R' in their size marking. This means they are CROSSPLY construction.

With truck tyres it is always recommended to replace like for like, so if you need any advice on getting the right size, construction, pattern and rating please Contact Us.

A tyre's Speed Index is the maximum safe speed of the tyre; this is represented with a letter from the very slow (A1) to the very fast (Y and beyond). The Load Index is the maximum weight that the tyre can safely support. This is represented by a number: the higher this number is the more weight the tyre can carry. It is imperative for the safety of the vehicle and its occupants that tyres with high enough Speed and Load Indexes are chosen. To find out more about Speed and Load Indexes and all other tyre markings, have a look at our Tyre Size Guide.

Buying Truck tyres online might be new to some people, but it makes a lot of sense. Traditionally tyres are bought from your local tyre supplier in your area, which means you are relying on their stock, pricing, expertise and customer service. By using Big Tyres (a Nottingham based UK company) you using a national tyre supplier, whos only business is in supplying tyres, tubes, wheels and fitting. We have key accounts with main manufactures to offer you the best prices, carry millions of pounds worth of stock, can access any Truck tyre not in stock by going direct to access manufactures stock, are up to date with all the new tyre news regarding brands, patterns and offers in the market place, and have a dedicated team of customer service staff. We often provide free shipping and next day delivery and are open to talk with you by phone, email or live chat.

A wide range of tyres from many manufacturers are available, including many popular and well regarded brands such as Michelin, Sailun and Double Coin, ensuring that whatever application you need your tyres for, you will be getting quality tyres.

Economy Brands

Sailun Tyres have built up an enviable reputation throughout the world as a manufacturer of high-quality, great value premium economy tyres. The Sailun range covers a number of applications including truck and light passenger use tyres. Sailun was established in Qingdao, China and sells over 30 million tyres annually in over 50 countries worldwide.

Zeta is a private brand owned by SD International which, since being established in 2002, has progressively built a reputation as a leading tyre manufacturing specialist. Based in Shanghai, the company now has thriving satellite sales offices in the UK, France, USA , Argentina and UAE along with a number of manufacturing interests in China.

Mid-Range Brands

Double Coin offer both value and quality promising customers the most for their money. The company sells its products to over 100 countries and regions and it also provides auxiliary products to over 30 domestic famous automobile manufacturers.

Triangle, owned by Triangle Group Co. Ltd, was initially founded in 1976, and has a history of more than 30 years in tyre manufacturing. Major products are truck and bus radial tyres, passenger and light-truck tyres, and OTR/Earthmover tyres. Triangle provides OE tires for more than forty automobiles companies.

Premium Brands

Michelin is one of the worlds best known tyre manufacturers, manufacturing tyres for vehicles from Bicycles, to Space shuttles! With over 110 years of experience in the tyre industry, you know you're receiving quality by buying Michelin. Michelin has 111,200 employees worldwide and produces over 171 million tyres in 67 sites on 17 countries.

Pirelli is one of the leading manufacturers of high-end and performance tyres. The company has always had a keen focus on research and development, with one of the highest levels of research investment in the tyre industry. The goal is to constantly improve the quality of Pirelli products in terms of performance, safety and environmental impact.

Storing your truck tyres correctly when on the machine or stacked as spares is important in extending their life time and ensuring they remain safe and continue to function as they should. General advice is to keep your truck tyres our of heat and direct sunlight, as it can dry out the rubber and cause cracking. Other advice to follow is to keep them away from liquids like petrol, oil and grease so not to deteriorate the rubber compounds.

For the latest truck & bus tyre news, advancements and also a little fun, visit our Twitter Page and follow @bigtyres_co_uk or visit and like our Facebook Page. Why not also check our the Big Tyres Blog for educational articles and the latest industry information. We also send out a monthly Big Tyres Newsletter that often has discount codes and news of our latest sales and offers to save you money on your truck & bus Tyres.