We love the high-density compound in the Pr1mo Sentinels, which is specially formulated to mimic a properly inflated pneumatic (air tube) tire so the wheel still rolls efficiently and comfortably.
| Feature | Specification |
|---|---|
| Sizes | 22″ (501), 24″ (540), 25″ (559), 26″ (590) |
| Width | 1″ |
| Color | Black |
| Tread | Smooth/grooved |
| Puncture Protection | Solid tire (no tube required) |

