Surly ExtraTerrestrial Tires

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

Flat Protection	Tread and Sidewall
TPI	60
Color	Black, Black/Slate
Weight	1010, 1040, 1070, 650, 660, 685, 690, 720, 730, 930, 990
Defined Color	Black
ISO Width (mm)	41, 46, 64
ISO Diameter	559 / 26" MTN, 584 / 650b / 27.5", 622 / Road / 29"
Tire Intended Use	Touring-Hybrid
Tire Diameter	26", 27.5", 29", 650b, 700c
Tire Bead	Folding
Labeled Size	26 x 2.50, 26 x 46, 27.5 x 2.50, 29 x 2.50, 650b x 46, 700 x 41
Tire Type	Tubeless Ready Clincher
PSI	35, 60, 65