Surly Lou Fat Bike Tire
Best high traction rear tire for deep snow and winter expeditions.
Designed as a rear-specific powerhouse, this tire excels in loose, muddy, and technical terrain. Its tall, aggressive knobs provide exceptional stability during both braking and acceleration, while the supple casing conforms perfectly to uneven ground.
$125.00
at
Competitive Cyclist
More Lou options
Who it's for
- Winter expedition riders navigating deep snow and unpredictable backcountry trails
- Technical riders seeking maximum control on steep, slippery ascents
- Adventure cyclists traveling across soft sand or uncompacted powder
Who should skip it
- Speed-focused racers who primarily ride on hard-packed or icy surfaces
- Weight-conscious cyclists looking for a nimble and flickable ride feel
- Owners of older fat bikes with narrow stays or limited spacing
Performance breakdown
Mud Traction
Aggressive, tall knobs bite deep into sloppy, wet, and loose terrain.
Ground Conformity
Supple 120 TPI casing wraps around obstacles for maximum surface contact.
Braking Stability
Rear-specific tread pattern locks in control during steep, technical descents.
Rolling Resistance
Massive footprint creates significant drag on hardpack and paved surfaces.
Tubeless Reliability
Folding Kevlar bead seats securely for consistent, low-pressure performance.
Weight Efficiency
Substantial build adds rotational mass, prioritizing grip over lightweight speed.
Key Specs
Size
26 x 4.8 inches
Type
Tubeless
TPI
120
Max Pressure
30 PSI
Weight
1585 grams
Bead Type
Folding Kevlar
Intended Use
Fat biking, Mountain biking
Know before you buy
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