Quick Summary
The YUNSCM set includes two 700x40C gravel bike tires, two Presta-valve tubes, two rim strips, and tire levers. The tires are labeled 42-622 and have a listed maximum inflation pressure of 50 psi (350 kPa). Check tire and wheel fit before installation.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Tire size | 700x40C, also labeled 42-622. Check these markings against your bicycle’s wheel and frame clearance. |
| Maximum inflation pressure | 50 psi (350 kPa). Check the tire and wheel guidance when determining an appropriate pressure. |
| Inner tubes | Two tubes sized 700×35/43C with 48 mm Presta valves. |
| Tread pattern | The listing describes a flat center and larger shoulder pattern. It identifies road and gravel use, but excludes extreme off-road riding. |
What to Compare Before Buying
- Confirm that 700x40C / 42-622 tires fit the bicycle’s wheels and have adequate frame clearance.
- Check that the 48 mm Presta valves suit the rims and that the included tube size matches the tires and wheels.
- Compare the 50 psi maximum with the pressure guidance for the tires and wheels.
What Is Included
The package is listed as two tires, two inner tubes, two rim strips, and tire levers. Check that the rim strips fit the rims before installation.
Safe Use and Important Precautions
Before installation, inspect the tire bead wire for severe bends that do not recover and for exposed metal. Check the rim for burrs. If a tube bursts after installation, inspect the tire again for damage, including a damaged bead, exposed wire, or broken casing fabric.
Important Limitations
The listing describes regular road riding and gravel use, and excludes extreme off-road riding, racing, overloading, modifications, and improper installation from its stated coverage. The included tools do not establish that the tires fit a particular bicycle.
Before You Decide
Confirm the 700x40C / 42-622 size, wheel and frame fit, and Presta valve compatibility. Check the included parts and the tire and wheel pressure guidance before installation.
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