Our 700c(28") bike tubes are suitable for bikes with wheel sizes: 700c x 28c - 32c. Fit all the following sizes: 28 x 1.10, 28 x 1-5/8 x 1-1/8, 28 x 1.20, 28 x 1.25, 28 x 1-5/8 x 1-1/4; (French size: 700x28C 700x30C 700x32C); ( ETRTO: 28-622 / 30-622 / 32-622 ) 60mm Presta Valve Stem. Our bike inner tubes are made of butyl rubber material.
