BBB - 700C FV INNERTUBE
SuperLight Tubes with 48mm FV or standard 33mm FV
BBB inner tubes are made of durable long-lasting butyl rubber compound.
No seams which may leak air.
Perfectly measured air chamber wall thickness at 0.87mm. Just thick enough for extra puncture resistance and thin enough to spare you the extra weight. Keeps air pressure for a very long time.
Etrto Size 18/23 - 622 630