Model Number: 315/80R22.5-18PR-DD379S-161128 Brand Name: ALPINA Key Specifications/Special Features: High density trench provides excellent slip resistanceUnique tread compound design guarantee at lower temperature to maintain the flexibility of the rubber, the ground performance is excellentThe widened tread design has good traction performance and a driving range Sizes PR Load Index Speed rate Tread depth (mm) Outer diameter (mm) SW (mm) Single load (kg) Dual load (kg) Pressure (kPa) 315/80R22.5 18 154/150 M 21 1075 315 3750 3450 900