Vittoria 700x19/23 Presta Ultralite Tube 42mmVittoria 700C Sizes 19/23 up to 30/38 Presta Ultralite Tube weighs in at mere 95 grams. Fits 700 tires ranging from 19 to 23 width and 30mm to 38mm. Available in 42 and 51mm valve lengths. Size 30/38 is a 36mm length. *51mm tubes have removeable valve cores.641740080107
