Quick Summary
This VeloTubes four-pack contains butyl rubber bicycle inner tubes marked for 29 x 2.1/2.6 tires. Each tube has a 48 mm Presta valve. Check the tire size and valve type on your wheel before choosing a replacement.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand and model | VeloTubes, model 111815700M. |
| Marked size | 29 x 2.1/2.6; compare this marking with the size shown on your tire. |
| Valve | 48 mm Presta (French) valve; check that your wheel accepts a Presta valve and that the stem length suits the rim. |
| Material and quantity | Butyl rubber; four inner tubes in the pack. |
What to Compare Before Buying
Check the tire’s stated wheel diameter and width against the tube’s 29 x 2.1/2.6 marking. Also confirm the valve opening on the rim and whether a 48 mm stem is suitable for your wheel. Tire size and valve compatibility are separate checks.
Before You Decide
Confirm the tire marking, Presta valve compatibility, and four-tube quantity for your replacement needs.
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