Continental Contact Spike Tire - 700 x 35, Clincher, Wire, Black/Reflex, 120 Studs, SafetySystem Breaker, E25The Contact Spike is designed to help you ride safely during the cold and dark season. Strategically placed studs guarantee traction while the reflective sidewall stripes ensure visibility. Maintain full control of your bicycle even in turns and hard stops on ice and snow Reflective sidewall stripe for added visibility Product Specifics Flat Protection: Tread TPI: 330 Color: Black Reflex Weight: 715 Designed for ebike: Yes Defined Color: Black ISO