STI MX and Off-Road Heavy Duty Tubes, 110-120/90-19 (4.50/5.00-19)

At 2mm thick, the “Heavy Duty” model is 50 percent thicker than most standard tubes on the market today. The “Extreme Duty” butyl rubber uses a 3mm spec, making it 30 percent beefier than most heavy-duty tubes now available. The “Ultra Duty” tubes utilize a nearly bombproof 4mm thickness.

NOTE: This item may be subject to additional shipping charges.