【High Quality】Our bike inner tubes are made of high-quality 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
【Installation Tips】Inflate a little air before installment, to avoid crack or damage during installment; Install the valve correctly, which must be 90° with steel, and the nut must be well locked; After installment, please check the tube is in the right position between steel and tire, make sure the tubes are not clamped by them. Inflate the air according to the pressure standard of the tire
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【Size】 Our 700c(28") bike tubes are suitable for bikes with wheel sizes: 700c x 35c - 43c. Fit all the following sizes: 28 x 1.35, 28 x 1.40, 28 x 1-5/8 x 1-3/8, 28 x 1.50, 28 x 1-5/8 x 1 1/2, 28 x 1-5/8 x 1-3/4, 28 x 1.60, 28 x 1.625; (French size: 700x35C 700x38C 700x40C 700x42C 700x43C); ( ETRTO : 35-622 / 37-622 / 40-622 / 42-622 / 44-622 )
32mm Schrader (Regular) Valve
【Pick the Right Tube Size】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
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