RH631
The RoadX RH631 is a steer and trailer position tire designed for trucks driving in long-haul applications.
  • The column at the bottom of the groove improves the tire’s selfcleaning ability and prevents groove cracking.
  • Four layer belt design promotes even ground distribution for longer mileage.
  • Optimized groove design improves safety and handling performance.
  • New low-heat build up and high wear resistance compound effectively improves tire life.
  • Optimized contour design and tread compound balance stress distribution inside the tire to improve service life.
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PlantSizeStandard
       Rim(inch)		PRLoad PressureLoad Index Tread Depth
       （mm）		Speed GradeInflated Tire
       Dimention(mm)
KgLbsKpa Psi
S D S D S D S D S D D B
CN12R22.59.0018355032507830716093093013513515214915L1085300
CN315/80R22.59.0020400036508820804585085012512515615314L1076312
CN385/65R22.511.75184250 9370 830 120 158 13.5L1072389
CN385/65R22.511.75204500 9920 900 130 160 13.5K1072389

RH631