Nitto RIDGE GRAPPLER 305/60R18 (217720)

Tire Specifications

Part Number 217720
Load Rating 116
Speed Rating Q
Sidewall BSW
Load Capacity 2756 pounds (lbs)
Maximum Inflation 44
Tread Depth 13.5
Approved Rim Width 8.5-11.0
Measuring Rim Width 9.0
Mounted Diameter 32.4

Nitto 305/60R18 RIDGE GRAPPLER

All-Terrain/Mud-Terrain Light Truck tire featuring a Hybrid Tread Pattern with Dual Sidewall Design.

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  • Variable pitch tread pattern
  • Alternating shoulder grooves
  • Lateral Z grooves
  • Coupling end points
  • Reinforced block foundation
  • Stone ejectors
  • Staggered shoulder lugs
  • Alternating tapered edges
  • Step block edges


  • Provides a quiet and smooth highway ride
  • Help clear mud and maintain traction
  • To provide biting edges for traction
  • Strengthens the block edge to reduce irregular wear
  • Adds rigidity to tread blocks to reduce flex
  • Protects the bottom of groove from stone drilling
  • Provides traction in off-road environments
  • Provides additional biting edges for more traction

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