Phil Mosier, contributorPhil Mosier is the Manager of Commercial Tire Development at Cooper Tire & Rubber Company.MaintenanceA top-tier tire maintenance program is a balancing actTypically, for a steer tire, when a tire isn’t balanced you’ll see cupping or scalloping (wavy wear) on the shoulder ribs. Over time that can progress to the intermediate ribs.March 11, 2022Page 1 of 1Top StoriesEconomic trendsSupply constraints drive freight rate surgeFreight shipments just ended a 42-month slump, but it's tightening capacity, not demand, pushing rates higher.Safety & ComplianceWhy the C.H. Robinson fallout and broker liability shift matter to every motor carrierSafety & ComplianceFMCSA defends buggy Motus rollout as necessary growing pain in fraud crackdownSafety & ComplianceCarrier stranded at weigh station by bungled Motus rolloutSafety & ComplianceMotus system glitches: 6 errors threatening carrier compliance