Teravail Standard 29 x 2.4 - 2.8, 48mm Presta ValveThe Teravail Standard Presta Valve tubes feature our widest variety of tube sizes and valve lengths with a proven record of high quality control and consistent availability. Dealers can expect to receive mixed packaging for a period of time as the Q Tubes brand is phased out and replaced by Teravail tubes. In all cases Teravail tubes will serve the same functional range as their predecessors at a minimum. In some cases Teravail tubes may serve a