225 50ZR17 W-Force Catchpower Tyres Four wide circumferential tread grooves: Combined with lateral grooves and fine sipes, it provides efficient water evacuation and superb wet performance. Continuous block patterns on the shoulder: Enhances the ride stability and enables high speed cornering. The rim protector will protect wheels from curb damage. Continuous outside tread blocks: Precise control when cornering at speed. The special rib segment design optimizes contact pressure distribution and provide precise control. The serrated groove walls absorb noise and deliver a quieter ride. Special tread compound: Delivers excellent grip on both wet and dry roads. Reduces rolling resistance to save both your fuel and the environment.