Quick Summary
The Hycline 700x38C gravel bike tire set includes two folding tires, two butyl rubber inner tubes and two tire levers. The tires have an arrow-pattern tread and a stated inflation range of 50-75 PSI. Check your wheel and bicycle requirements before choosing this size.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand and part number | Hycline; part number 70038CBLK-SET. |
| Tire size | 700x38C, also listed as ETRTO 40-622. Match the size to your wheel and bicycle. |
| Quantity and contents | Two folding tires, two butyl rubber tubes and two tire levers. |
| Construction and tread | Rubber tires with nylon cord construction and an arrow-pattern tread. |
| Inflation range | 50-75 PSI. Compare this range with your bicycle and wheel requirements. |
What to Compare Before Buying
- Wheel size: Confirm that 700x38C / 40-622 matches the size required for your wheel.
- Available clearance: Check that this tire width fits your frame and fork.
- Pressure requirements: Compare the stated 50-75 PSI range with your bicycle and wheel requirements.
- Tube valve: The included tubes’ valve type is not specified, so check whether it matches your rims.
Compatibility, Size and Fit
The listing names gravel, hybrid, mountain and road bikes as possible uses, but that does not establish fit for every bike in those categories. Match the 700x38C / 40-622 size and confirm frame and fork clearance for your specific bicycle before selecting this set.
What Is Included
The set contains two tires, two butyl rubber inner tubes and two tire levers. The tube valve type is not given, so verify that detail if it matters for your rims.
Before You Decide
Confirm the tire size, available bicycle clearance and pressure requirements. Also check the included tubes’ valve type. The product instructions say to unfold the tires and lay them flat for 1-2 days before installation.











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