• Expanders fit most bias ply tubeless tires
• A pliable neoprene rubber tube is encased in a tough, long-lasting nylon cover
• Expanders slip easily over tire and withstand contact with oil, grease, solvents, and acids
• Expands bead by compressing tread to seat beads
• Features an over-pressure relief valve and external pressure quick release valve for safe operation
• For standard bias ply tires
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