Inner tube sizes and valve types. This guide gives a basic description and purpose of the most common types of inner and valve shapes.

If you do manage to find a cheaper price online elsewhere (including delivery) we'll do our very best to beat that price. Using our knowledge and resources, we may even be able to offer you an alternative product of simliar quality at an even better price. it doesn't cost anything to ask! Tyres Marked like above have four components. The first number is the width of the tyre. The second is the height of the sidewall and the third is the rim diameter. The "-" again means the tyre is a crossply. all figures are in inches. Proper fraction button is used to change a number of the form of 9/5 to the form of 1 4/5. A proper fraction is a fraction where the numerator (top number) is less than the denominator (bottom number).We understand that it isn't just great service that you need as a customer, but value for money too.

The inner tube size you require will depend on the size of tyre being used. The size of the tyre is often written on the sidewall, and a inner tube to fit this size range is required. Because inner tubes are very flexible they can fit a range of tyre sizes, expecially larger inner tubes. A inner tube will fit a range of tyres sizes, which is often printed on the tube but not always. Sometimes only the base tube size is printed on the tube (3.50-6) but it is still ment to fit a range of tyres sizes. There are a few ways for giving the size of tyres. Measurements given in inches and sometimes in millimetres or both. We have shown some examples below to help you recognise the size markings on your own tyre. We continually monitor the prices offered by our competitors and adjust our own pricing accordingly. The competitors price must be advertised online and cannot include any membership/personal discounts

Help and Tips

Scientific notion, which is also referred to as "Standard Form" or "Exponential Form", represents a numerical value that is recorded in the following form: The first number denotes the width of the tyre and the height of the sidewall in inches. The "-" means that the tyre is of a crossply construction. The last number is the rim diameter in inches. This free scientific notation calculator and converter can perform a range of operations in scientific notation, including adding, subtracting, multiplying, and dividing numbers. It can also convert real decimal numbers to scientific notation, and vice versa. It can readily characterize both very large and very small numbers. Examples of scientific notation: 3,500,000 = 3.5 × 10 6; 0.0000425 = 4.25 × 10 -5. Proper fraction button and Improper fraction button work as pair. When you choose the one the other is switched off.