Tyre retreading curing rim, for bias tyre retreading. Stengthened ture edge, no raphy structure, without use of tape curing rim- tyre retreading Performance descriptions:1. Strengthen the turned edge of steel pressure, 5mm subtracting, (not welded), high strength, durability and safety regulations, sealed good shape.2. No raphe structure, without use of tape, avoid damage to inner tube. Easy ...