Race it hard or just head off the beaten path. The Strada Bianca takes the proven construction of the Paris-Roubaix and adds volume to take you comfortably over less-than-perfect surfaces. This is your tyre for rough roads, packed dirt and most gravel surfaces. Colour: Tan. TPI: 260. Recommended Pressure: 30mm 45-65psi. Puncture Protection: PPS GANZO + PPS2. Rubber Compound: SMART PLUS. Construction: Handmade. Series: PRO. Size: 700. Casing: SuperPoly - CORAZZARMOR. Bead: Tubeless Folding. PPS Ganzo - Puncture protection strip utilizing flexible, tight weave, multi-component puncture protection fabric. SMART Plus Compound - Gravel specific tread compound for traction and durability. SuperPoly polyester is a synthetic fibre stronger and softer than nylon and resistant to water. Challenge's SuperPoly casings are the more affordable handmade tyres. PRO series tyres are 220/260/300tpi depending on model. They are almost as supple as the Corespun Cotton but far softer than Nylon. The casing is impervious to water and so make the best value handmade tyres. PPS Ganzo - A higher level of puncture protection utilising a multi-component fabric strip with a tighter weave that still remains flexible. SuperPoly polyester is a synthetic fibre stronger and softer than nylon and resistant to water. Challenge's SuperPoly casings are the more affordable handmade tyres. PRO series tyres are 220/260/300tpi depending on model. They are almost as supple as the Corespun Cotton but far softer than Nylon. The casing is impervious to water and so make the best value handmade tyres. Corazza Armor - Reinforced casing for gravel specific tyres utilising double layer 220/260TPI SuperPoly for durability and stability. 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 surfaces 260TPI SuperPoly & CorrazzaArmor casing gives an incredibly smooth and supple ride Handmade tubeless folding bead casing with PPS Ganzo and PPS2 puncture protection SmartPlus rubber compound for excellent grip and durability Tubeless compatible Built 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. Please Note: Some Challenge tyres can be run on ISO/ETRTO compliant hookless clincher rims. Challenge s handmade TLR clincher tyres, in sizes 33mm, 36mm, 40mm and 45mm, are approved for use on hookless rims. Sizes 25 and 27mm are hookless compatible only on the Criterium RS.