Challenge Strada Bianca Pro Tire - 700 x 33, Tubeless, Folding, Black/Tan, HandmadeThis road style tread is efficient and at home on gravel and dirt roads by offering a larger volume tire to help provide compliance when the going gets rough. Mixed tread pattern for effective grip on a variety of terrain PPS flat resistance Product Specifics Color: Black Tan Defined Color: Tan Flat Protection: Tread ISO Diameter: 622 Road 29" ISO Width (mm): 33 Labeled Size: 700 x 33 Tire Bead: Folding Tire Diameter: 700c Tire Intended Use: Gravel