The Surly Extra Terrestrial is an incredibly durable touring tire. It offers low rolling resistance and great durability on various multi - road surfaces. Its low - profile, directional tread pattern ensures strong traction when you need it most. Features include a molded tread pattern to prevent cuts from spreading, a Kevlar cap under the tread for flat protection, a nylon breaker in the sidewalls for cut prevention, a recommended rim width of 23 - 30mm, and it's tubeless ready.

Using this Surly Extra Terrestrial tire is straightforward. First, make sure your rim width is between 23 and 30mm as recommended. When mounting, be careful to align the tire properly on the rim. If you're using it tubeless, ensure a good seal. As you ride, enjoy the low rolling resistance on different road surfaces. When it comes to maintenance, regularly check the tread for signs of wear and tear. Look for any cuts or damage to the sidewalls and the Kevlar cap under the tread. If you notice any issues, it might be time to replace the tire. Keep the tire clean by washing it with mild soap and water after muddy rides. This will help maintain its performance and extend its lifespan.