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 ). 42mm Presta Valve Stem. Our bike inner tubes are made of butyl rubber material. With good resistance to heat and harsh weather. It has better air tightness and durability, which extends tire life due to restricted air loss. Check the sidewall markings on your tire. Select the tube that has the same diameter as your tire. Tire width should fall into the range of tube width.
