HD687

Design  with  three longitudinal zigzag pattern grooves provides  water drainage performance in wet road and excellent steer-ability on snow/ice   road.

Design with big patterm block outside provides enough rigidity and excellent steer-ability.

Design with multiple crossed  patten inside enlarges snow    holding capability and strength of snow column,and enhanced the grip capability.

The fine slots in the pattern reduced the hitting noise,the zigzag  slots diffused the noise frequency, making the noise even in various frequency   waves.