Surly Dirt Wizard
Best aggressive trail tire for riders seeking maximum grip in loose dirt.
These tires turn loose, unpredictable trails into manageable terrain by prioritizing aggressive grip over pure rolling speed. While the heavy-duty sidewalls and wide-rim optimization add some rotational weight, the trade-off is a planted, confidence-inspiring ride that refuses to wash out when the corners get sketchy.
$89.99
at
CampfireCycling
Who it's for
- Trail riders tackling loose dirt and off-camber sections.
- Bikepackers navigating abrasive and unpredictable backcountry trails.
- Plus-tire fans seeking a stable and forgiving ride.
Who should skip it
- Speed-focused riders who spend significant time on paved surfaces.
- Competitive racers prioritizing a lightweight and nimble bike build.
- Cyclists frequently encountering heavy clay or saturated trail conditions.
Performance breakdown
Cornering Traction
Aggressive side knobs bite deep into loose dirt with absolute confidence.
Puncture Resistance
Nylon sidewall inserts provide a robust shield against sharp trail debris.
Rolling Efficiency
Heavy tread pattern creates noticeable drag on smooth, flat sections.
Rim Compatibility
Designed specifically to maximize the profile of wider mountain bike rims.
Weight Penalty
Substantial mass adds durability but slows down rapid acceleration significantly.
Tubeless Setup
Folding bead seats securely, making tubeless conversion a straightforward process.
Key Specs
Tire Diameter
29 inches
Tire Width
76 mm
Tire Type
Tubeless
Intended Use
Mountain
Bead Type
Folding
Puncture Protection
Yes
TPI
60
Weight
1390 grams
Tubeless Ready
Yes
Tread Pattern
Knobby
Know before you buy
Still have a question?
Ask Metto anything about the Surly Dirt Wizard before you decide.
