CHALLENGE Open Grifo Tubeless 700x33: The Legendary All-Condition Gravel & Cyclocross TyreElevate your ride with the CHALLENGE Open Grifo Tubeless 700x33, a masterclass in versatility and performance for gravel and cyclocross enthusiasts. Born from a legendary cyclocross heritage, this tyre is meticulously engineered to deliver uncompromising speed and control across a vast spectrum of conditions. Whether you are navigating fast-paced gravel races, tackling technical singletrack, or powering through muddy cyclocross courses, the Grifo provides the confidence you need to push your limits. Its iconic tread pattern is the key to its all-around excellence, offering a perfect balance that other tyres strive to achieve.Experience the thrill of a tyre that adapts as quickly as the terrain changes. The Grifo features a fast-rolling center tread that minimizes resistance on hardpack and paved sections, allowing you to conserve energy and maintain high speeds. When you lean into a corner or encounter loose surfaces, the aggressive, well-spaced shoulder knobs dig in to provide tenacious grip and predictable handling. This dual-character design means you can carve through corners with precision and accelerate out of them with power, without sacrificing straight-line velocity.The advanced tubeless construction is a game-changer for serious riders. By running this tyre tubeless, you can unlock its full potential, using lower air pressures for a significantly smoother and more comfortable ride. This setup enhances the tyre´s ability to conform to the ground, dramatically increasing traction on challenging climbs and bumpy descents. Furthermore, the tubeless system offers superior puncture resistance, giving you the peace of mind to venture further onto rugged paths. The supple casing works in harmony with the tubeless design to deliver an unparalleled ride feel, smoothing out rough terrain and reducing rider fatigue on long adventures.Key Features:* Legendary All-Condition Tread: A proven design with a fast-rolling center for speed and aggressive side knobs for exceptional cornering grip in mixed conditions.* High-Performance Tubeless System: Enables lower pressures for increased comfort, superior traction, and enhanced puncture protection.* Versatile Application: An ideal choice for competitive Gravel cycling and cyclocross racing, as well as all-weather training and adventure riding.* Lightweight Folding Bead: The aramid Folding bead reduces rotational weight and makes for easier installation and transport.Technical Specifications:* Use: Gravel cycling, Cyclocross* Size: 28´´- 700 x 33c* ETRTO: 33-622* Tyre Type: Folding* System: Tubeless Ready* Bead: Aramid* Recommended Pressure: 26-51 PSI / 1.8-3.5 BAR