Another 23+ Tires For Bike. This is the tire dimension that you will need to think about more since your diameter will already be determined by the size of your wheel (unless you want to change your wheels entirely). On mountain bike tires, take a look at the centre lugs. Skip to main search results. Best sport bike motorcycle tires for grip at revzilla.com. Tires For Bike - Gravel Vs Road Tyres How Much Slower Are Gravel Tyres Youtube A bicycle tire is a tire that fits on the wheel of a bicycle or similar vehicle.