Finding the right size tyre for your bike can be more tricky than it at first appears. That’s a result of different ways to define a wheel and tyre’s size and the need for the tyre to fit in your bike ...

With a number of factors influencing what size tyres you should have on your bike, working out what tyres will fit can be difficult. Bikes these days come in an array of different wheel-size diameters ...

The wheel diameter is measured from lip to lip of a tyre, and coincides with the wheel rim size. The wheel radius is half the wheel diameter, the distance from the centre of the wheel, the axle, to ...

There’s a bewildering array of different 'standards' for bike components, with new ones appearing almost every year. But one that’s been around for many years is the 700c wheel, found on pretty much ...