A compact, lightweight spare for road, gravel and mountain-bike rides. WTB's NanoAir TPU inner tube takes up less room in your pack than a conventional butyl tube, making it an easy addition to your puncture-repair kit.
Key features
- Lightweight thermoplastic polyurethane (TPU) construction
- Compact packed size for jersey pockets and saddle bags
- Presta valve with a non-removable core
- Two glueless TPU repair patches included
Specifications
| Size | Valve | Claimed weight |
|---|---|---|
| 700 x 18–32c | 48mm Presta | 35g |
| 700 x 32–47c | 48mm Presta | 49g |
| 29 x 1.9–2.5 | 48mm Presta | 80g |
Choosing your tube
Choose the correct wheel diameter and tyre-width range, and ensure the valve is long enough for your rim. Follow WTB's installation and compatibility instructions. Product image is representative; the supplied size and valve length are those selected.