Premium sportbike performance. The Michelin Power 5 Radial Front Motorcycle Tire 120/70ZR-17 (58W) is Michelin’s premium sportbike tire, designed for ultimate performance and riding enjoyment. Enhanced wet grip. The Michelin Power 5 Radial Front Motorcycle Tire 120/70ZR-17 (58W) improves upon the already exceptional wet grip of the Michelin Power RS, delivering confidence for all-season riding. Optimized compound mix. With Michelin 2CT and 2CT+ silica compounds and an 11% void ratio front and rear, the Michelin Power 5 Radial Front Motorcycle Tire 120/70ZR-17 (58W) offers excellent traction in wet conditions. Patented velvet sidewall styling. The Michelin Power 5 Radial Front Motorcycle Tire 120/70ZR-17 (58W) features patented velvet sidewall designs that enhance the look of any sportbike.