Schwalbe SV17AP 700 x 35-47c Air Plus Tube 40mm Presta ValveThe Schwalbe SV17AP 700 x 35-47c Air Plus Tubes feature an increased wall thickness to help prevent punctures and pinch flats, while maintaining air pressure better when compared to a standard tube. Made of Butyl rubber. 40mm Presta Valve.4026495871730
