Tyres without tread were banned by FIA regulations in late 1997 to outlaw this obvious means of increasing speed.
tyres without tread grooves. They are strictly reserved to circuit use as they cannot eliminate water.
Tires with no tread, designed for dry-weather conditions.
A racing tire with no tread. There is a misconception that the tread pattern of a tire provides traction. This is true in dirt, snow or on wet pavement, but on dry pavement the maximum amount of "contact patch" is desirable.
Designed for maximum traction when hot. Slicks have no tread for a broad, flat surface that produces maximum tire contact. Another feature that produces maximum bite is the varying compounds of extremely soft rubber that will get super sticky when heated.
Mountain bike tires with no tred for lower rolling resistance, used on pavement.