MU02'S TREAD FORMULATION IS SPECIALLY DESIGNED TO ENSURE EXCELLENT ROLLING RESISTANCE AS WELL AS A STRONGER APEX TO PREVENT DAMAGE TO THE BEAD. MU02'S TREAD FORMULATION IS SPECIALLY DESIGNED TO ENSURE EXCELLENT ROLLING RESISTANCE AS WELL AS A STRONGER APEX TO PREVENT DAMAGE TO THE BEAD.WET PERFORMANCE WET PERFORMANCE - The tread's four main grooves efficiently drain water for improved safety in wet weather conditions.ALL-SEASON PERFORMANCE The inner tread elements provide stronger grip on both wet and dry roads.SHOULDER DESIGN SHOULDER DESIGN - The external shoulder blocks provide ideal rigidity and excellent handling.