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Sigma Knobby
Sigma Knobby
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1 Reviews
1 on SimpleTireoverall rating
Would you buy again?
Review breakdown
- 0 out of 100
- 1 out of 100
- 0 out of 100
- 0 out of 100
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Scorecard
Dry
4
Wet
4
Winter
4
Comfort
4
Noise
4
Treadwear
4
1 Simpletire reviews
Get technical:
Sigma has a reputation for being a great value in all sorts of tires, and their Knobby ATV/UTV tire is no exception. The flotation design and wide footprint helps disperse vehicle weight for traction, and the directional V-shaped pattern of knobby studs digs into all sorts of terrain. The dimpled surface of the studs enhances surface area for added grip, and the tough 4-ply nylon carcass can absorb all kinds of punishment.
Features & Benefits
- 20 psi inflation
- 16/32" tread depth
- Knobby directional V-shaped dimpled studs for traction
- 4-ply nylon construction resists punctures and cuts

Vehicle |
Mileage Warranty N/A |
Load Range B (4 Ply) |
Tread Depth 15/32nds |
Inflation Pressure 5 PSI |
Part Number KNW |
Tire Weight 15.4 lbs |
Section Width 11" |
Overall Diameter 20" |
Three-Peak Mountain Snowflake (3PMS) No |
Any info you'are still looking for? |
Have a question about Carlisle Knobby
Carlisle Knobby tires are typically manufactured in Jackson, Tennessee. That being said, some Knobby tires could be made in other parts of the world.
The Carlisle Knobby is a low-inflation ATV tire that is used on loose as well as hard surfaces on vehicles like ATVs, SxS, hard pack, intermediate surfaces, and many more.
Knobby ∙ 0 sizes available