Cinturatoâ„¢ Adventure Tubeless 700C x 40 Gravel Tyre.Size:700C / 40.The Cinturato™ Gravel M is a gravel-specific tire designed for mixed terrain, where the surface ranges from hard-packed, unstable terrain and everything in between.The tread consists of blocks with average height and spacing to ensure excellent performance on a wide range of terrain.The special SpeedGRIP compound adds mechanical resistance and chemical grip characteristics, without compromising rolling efficiency.Cinturato™ Gravel H is a high performance tire with unique grip characteristics in all weather conditions, both wet and dry, as well as a high level of puncture protection.The Cinturato™ Gravel M is compatible with hookless rims per ETRTO´s 5 bar/73 psi maximum pressure limit.