Its 320 tpi cotton race casing enhances comfort and compliance, while the rr-s2 silica compound reduces rolling resistance for improved efficiency. Designed for seamless aero integration with hookless rims, the tyre delivers exceptional traction, responsiveness, and durability for race-ready performance.Key features:optimised aero performance taller sidewalls create a smooth, oval profile that integrates perfectly with cadex hookless rims, maximising aerodynamic efficiency.Cotton race casing crc delivers ultra-smooth ride quality, exceptional traction,and precise handling through a supple 320 tpi construction all while keeping weight to a minimum for maximum efficiency.Next-generation rolling efficiency the new rr-s2 silica compound reduces rolling resistance by 30% compared to the previous rr-a compound, resulting in a faster, more efficient ride.Balanced speed and grip a smooth center tread ensures low rolling resistance, while the micro-profile shoulder provides reliable cornering grip.Durable puncture protection race shield puncture protection features a lightweight, cut-resistant kevlar center patch, offering long-lasting resiliencewithout compromising weight or speed.Secure fit an ultralight hybrid carbon-zylon bead with high elongation resistance and exacting rim-bead tolerance ensures a secure fit.Specification:size: 700x28c, 700x30cweight: 278g 28c , 305g 30c etrto: 28x622 28c , 30x622 30c maximum pressure psi bar : 72 psi 5.0 Bartpi: 320bead: carbon-zylonbead ty...