The Challenge Strada Bianca is built to be the ultimate high-volume all-rounder; just as happy on the road as it is off it. With a fast-rolling but grippy herringbone tread design and tough but supple construction, the Strada Bianca is perfect for all-round road and gravel use.Herringbone tread design for excellent rolling speed and good traction on loose surfaces260TPI SuperPoly & CorrazzaArmor casing gives an incredibly smooth and supple rideHandmade folding bead casing with PPS Ganzo and PPS2 puncture protection  SmartPlus rubber compound for excellent grip and durability  Not tubeless compatibleBuilt around a fast-rolling herringbone tread design, the Strada Bianca rolls well on hard surfaces yet has enough purchase when braking or climbing to retain traction. For bikes designed to be used on and off the beaten path, the Strada Bianca is the ideal choice.On rough gravel trails, you need confidence that your tyres are tough enough for the job and the Gravel Grinder won't let you down thanks to its double PPS Ganzo and PPS2 puncture protection, while the handmade SuperPoly casing gives it that elegantly supple ride that marks Challenge's handmade tyres out from the rest. If you want an ultra-fast but tough tyre for your gravel bike, the Challenge Strada Bianca is up to the task.