Q-Tubes Thorn Resistant tubes feature 4mm thick butyl rubber in the tread area tapering to 2mm sidewalls.
| Weight | 673 |
| Valve | Standard Schrader |
| ISO Diameter | 622 / Road / 29″ |
| ISO Diameter | 630 / 27″ |
| ISO Width | 50 |
| ISO Width | 51 |
| ISO Width | 52 |
| ISO Width | 53 |
| ISO Width | 54 |
| ISO Width | 55 |
| ISO Width | 56 |
| ISO Width | 57 |
| ISO Width | 58 |
| Labeled Size | 29 x 1.9-2.3 |
| Flat Protection | Thorn Resistant |
| Flat Protection | Variable Wall Thickness |
| Wall Thickess | 4 |
| Shaft Type | Smooth |
