Made specifically for MX or off-road use;Heavy-duty tubes are 1.5 mm thick to be more durable than standard tubes;Extra heavy-duty tubes are 2.5 mm thick to offer superb durability in extreme conditions; nearly twice as strong as heavy-duty tube;Both use synthetic rubber construction that offers excellent strength and will not allow air to leak like natural rubber

• Maxxis Heavy Duty MX/Offroad Tire Tube 90/100-16

Maxxis Heavy Duty MX/Offroad Tire Tube 90/100-16Maxxis