
OPEN COUNTRY M55 Tread Diagram
A) Wide Tread Design
Wide tread design for excellent handling on the highway and increase snow traction.
B) Deep Aggressive Tread Depth
Allows the M55 to dig when it needs to also increasing the life of the tire tread. This aggressive block-and-lug tread design gives unbeatable all season (M&S rated) traction with stability and comfort whatever the terrain.
C) Open Shoulder Design
Designed to maximize mud, dirt and wet evacuation keeping the tread edges clear and ready to dig in.
D) Computer optimized Tread Design
The tread design is the result of using Toyo’s award winning DSOC II computer aided design. This maximizes grip as well as tread life and ride comfort in an aggressive tire.
E) Numerous Sipes
The many sipes in the M55 allow for better all season grip. The added sipe edges increase traction even when it gets really slippery.




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