Surly ExtraTerrestrial Tire
Best heavy duty tire for long distance mixed terrain touring cyclists.
Built for the long haul, this tire balances low rolling resistance with rugged durability. It handles diverse surfaces with ease, offering a reliable, puncture-resistant ride for those who prioritize consistency over pure speed.
$78.00
Who it's for
- Long-distance tourers riding through debris-heavy or remote environments
- Mixed-terrain cyclists seeking a single tire for pavement and gravel
- Bikepackers prioritizing a smooth ride and easy maintenance on trails
Who should skip it
- Weight-conscious riders or racers looking for quick, snappy acceleration
- Cyclists who prefer a supple, high-performance road feel over durability
- Off-road adventurers frequently encountering deep mud or soft, wet soil
Performance breakdown
Puncture Resistance
Kevlar and nylon reinforcement creates a formidable barrier against road debris.
Rolling Efficiency
Low-profile tread keeps momentum high on pavement and hard-packed gravel.
Traction Versatility
Directional tread pattern maintains grip across unpredictable, mixed-surface terrain.
Durability
Built for the long haul with heavy-duty construction that resists wear.
Weight Penalty
Substantial build adds noticeable heft compared to lightweight racing tires.
Tubeless Setup
Folding bead design makes for a straightforward, reliable tubeless installation.
Key Specs
Tire Type
Tubeless (Clincher)
Bead
Folding
TPI
60
Puncture Protection
Tread & Sidewall
Max Pressure
60 PSI
Weight
928g
Recommended Rim Width
23-30mm
Tire Diameter
26 inches
Tire Width
63.5 mm
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