I tested 25, 28, 30, and 32 mm tires. The fastest tire was nearly six seconds per mile faster than the slowest.
Challenge has three new road-tires: the all-new, all-season 4 Stagioni XP, the reworked Strada Pro, and the voluminous Elite Pro.
Changing motorcycle tires yourself can save you a lot of money in the long run, but is it worth trading that for the purchase ...