The brand new X1 is the fastest GK ever and yet hits all the important points for gravel riding and racing today; aggressive, fast rolling tread, superior cleaning in wet/muddy conditions, and greater control in rougher terrain. This all new tread design is homage to the 10th anniversary of Gravel King and to the many riders around the world who have had countless adventures and experiences with Panaracer. The all new ZSG Gravel compound delivers consistent performance in all conditions. New advancements in rim technology has led to the innovative BeadLock TLR bead, allowing for easy fitting and confidence in your tyres staying locked on. This is all wrapped up in a new 120tpi casing with bead to bead protection ensuring the best overall performance of the newest member of the GravelKing family. In the decade since we introduced GRAVELKING, the gravel market has evolved significantly. The All new GravelKing is equipped with cutting-edge technologies exclusively developed by our company: ZSG Gravel Compound, TuffTex, and BeadLock. This next-generation tyre aims to surpass its predecessors by delivering unparalleled performance, boasting low rolling resistance, puncture resistance, and a supremely smooth riding experience. Specification ZSG Gravel Compound. 120Tpi TuffTex Casing. BeadLock. TLR / Tubeless Ready / Folding. Weight Approx: 420g / 480g / 560g. Made in Japan.