700x35/38/43C - 2x Tubes ~ 48mm Schrader Valve Road Bike Inner Tube, Durable Butyl Tube with Solid Brass - Projekt Bicycle Durable tubes various in long and standard valve stem lengths to suit normal and deep section rims High air pressure retention! Good value Your robust and reliable partner to give a smooth ride and handling Choose from 2Pcs Pack or 4Pcs Pack for Rider Choice.