Specification:
Size: 22 x 2.125
Tube Compound: butyl rubber
Package Include: 2 pack 22 inch bike tubes, 3 Tire Levers

Warm Tips
Please kindly confirm the size of your bike tire before you buy;
Make sure inner tube match with the size of tire;
When changing your bicycle inner tube always be sure to add just a little air to the tube before installing, 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 Inspect for an even bead of the tire to the rim on both sides, make sure the tubes are not clamped by them;
Then inflate the air according to pressure standard of tire.