Serfas Thorn Proof Bicycle Tube - 29X1.9/2.125 Presta 48mm - TPTS29192125

Premium tubes for 700C tires. The Serfas 700x25/32c Presta 48mm Thorn-Resistant Tube fits 25C to 32C tires and has a 48mm Presta valve. These tubes are extra-durable and are thorn resistant so you can shred with no worries.