PCR tire winter tire EW62 Special tread rubber compound and complex tiny grooves maintain the softness, a strong grabbing and an excellent manipulation of the tyre in cold and snowy environment for safety. Special Tread Compound Special tread formula with silica helps tire to remain softness in low temperature, ensures stable driving and braking forces. Grooves Gradually widening lateral grooves improve self-cleaning and draining abilities. Zigzagged longitudinal grooves enhance cleaning ability in snow field.