Pirelli Cinturato Gravel RCX TLR Tire - 700 x 40 Tubeless Folding TanPirelli Cinturato Gravel RCX TLR Tire 700 x 40 Tubeless Folding Tan. Using the same tread design from the Cinturato Gravel RC the Cinturato Gravel RC X is the answer to all gravel racing requirements on rougher terrains: fast on the straights thanks to minimal central line knobs and aggressive on the corners with higher and more substantial knobs to support handling when cornering. The TechWALL X tubeless casing construction features a reinforced and