Quick Summary
This YunSCM pair of 700x40C (42-622) bike tires comes with two Schrader-valve tubes and installation accessories. The listing describes the tires for regular road riding, including flat urban roads. Check wheel and bicycle clearance, tube fit, and the stated pressure range before installation.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Tire size | 700x40C, also marked 42-622. Confirm this size fits your wheel and bicycle. |
| Inflation range | 40-65 PSI (300-450 kPa / 3.0-4.5 bar). Compare this range with the requirements for your setup. |
| Construction and tread | Rubber tires with nylon cord. The listing describes a smoother center tread and block-pattern shoulders. |
| Inner tubes | Two 700×35/43C tubes with 48 mm Schrader valves. |
| Intended use | Described for regular road riding and flat urban roads, not extreme off-road riding, racing, overloading, or modified use. |
What to Compare Before Buying
- Check that the 700x40C (42-622) size fits your wheel and that the tire has clearance on your frame and fork.
- Confirm the tubes’ stated 700×35/43C size range and Schrader valve type suit your wheel and rim.
- Compare the stated 40-65 PSI range with the pressure requirements for your bicycle and riding setup.
Compatibility, Size and Fit
The listing names 700x38C, 700x39C, 700x40C, 700x41C, and 700x42C among the tire sizes it says these tires can match. These size labels alone do not establish fit for every wheel or bicycle. Check your wheel size and available frame and fork clearance before choosing.
What Is Included
The listed package contains two 700x40C tires, two 700×35/43C tubes with 48 mm Schrader valves, two rim strips, and tire levers. Check the selected package configuration if any of these items are essential.
Safe Use and Important Precautions
Before installation, check the tire bead for severe bends or exposed metal and check the rim for burrs. If a tube bursts after installation, the listing advises inspecting the tire for damage before replacing the tube, including broken bead wire, exposed metal, or broken cord fabric. The tires are described as foldable, but the listing cautions that the bead may not fold completely; fold or roll gently and do not use excessive force.
Before You Decide
Confirm the tire size and bicycle clearance, tube size and valve type, and the stated pressure range. Keep the listed regular-road-use limitation in mind when comparing tires for your intended riding.
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