Michelin Pilot Activ Front Tire Pilot Activ tires set the standard for bias-ply replacement tires. No other tire at this price offers this level of performance and durability. Compared to earlier Michelin tires, Pilot Activ tires deliver an increase of 20 in tread life, giving Michelin Pilot Activ tires an unbeatable price/performance ratio in this market segment. Features 20 greater tread life than previous designs Significantly improved wet and dry grip compared to earlier MICHELIN bias-ply tires Wide range of sizes to fit popular bikes that use bias-ply tires Optimum performance throughout the life of the tire with virtually no difference in wet grip between a new Pilot Activ and a worn Pilot Activ