Surly ExtraTerrestrial Tire - 700 x 41 Tubeless Folding Black/Slate 60tpi. The ExtraTerrestrial is an ultra-durable touring tire designed to provide low rolling resistance and durability on various multi-road surfaces and the low-profile directional tread pattern maintains traction when it’s needed.Molded tread pattern for anti-cut propagation
Kevlar cap under the tread to protect against flats
Nylon breaker in the sidewalls for cut protection
Recommended rim width: 23 – 30mm
- TECH SPECS
| Color | Black/Slate |
| Flat Protection | Tread and Sidewall |
| TPI | 60 |
| Weight | 720 |
| Defined Color | Black |
| ISO Width (mm) | 41 |
| ISO Diameter | 622 / Road / 29" |
| Tire Intended Use | Touring-Hybrid |
| Tire Diameter | 700c |
| Tire Bead | Folding |
| Labeled Size | 700 x 41 |
| Tire Type | Tubeless Ready Clincher |
| PSI | 60 |