Quick Summary
The YunSCM 2-pack 26″ bike inner tubes are 26 x 1.50 to 26 x 1.90 tubes with an AV32mm Schrader valve. They are listed for 26-inch wheels and suit a range of compatible tyre sizes.
This pack quantity matters if you want two replacement tubes for the same bike or as a spare set. The stated valve type and size are the main details to check before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | YunSCM, useful for identifying the exact tube pack. |
| Product type | Bike inner tubes for 26-inch wheels. |
| Pack quantity | 2 tubes, so the set covers two wheels or provides a spare. |
| Size range | 26 x 1.50, 26 x 1.65, 26 x 1.75 and 26 x 1.90, so size matching matters. |
| Valve type | AV32mm Schrader valve, which should match the wheel rim and pump setup. |
What to Compare Before Buying
- Wheel size: These tubes are for 26-inch wheels, so check that your tyre and rim size match.
- Tyre width: The stated fit range runs from 26 x 1.50 to 26 x 1.90, so compare your tyre marking with that range.
- Valve type: The tubes use an AV32mm Schrader valve, so confirm that your wheel and pump are set up for Schrader.
- Pack quantity: This is a 2-pack, which matters if you only need one tube or want a matching spare.
Before You Decide
Check the exact 26-inch tyre size on your wheel, confirm the AV32mm Schrader valve matches your rim and pump, and make sure a 2-pack is the quantity you want before choosing an offer.









