Continental Terra Speed Tire - 650b x 40, Tubeless, Folding, Black/Cream, BlackChili, ProTection, E25Terra Speed is for your way off road. For more comfort. For the adventure. Be it the long tour, or the shortcut on your way home, the Terra Speed tire is made to get you over rough and smooth terrain. Designed for multi surfaces with reliable protection Product Specifics Flat Protection: Tread and Sidewall TPI: 330 Color: Black Cream Weight: 450 Designed for ebike: Yes Defined Color: Black Defined Color: Tan ISO Width (mm): 40 ISO Diameter: 584 650b