Super Run 90/90-21 Heavy Duty Inner Tube

Heavy-duty inner tubes are puncture-resistant and perfect for Enduro-Dual Sport riding on-road and off-road. Heavy-duty inner tubes are two to three times thicker than standard tubes. Constructed of a blend of natural and butyl rubber. Heavy-duty tube is made specifically for those who push their tires to the limit in the roughest of conditions.

The Super Run 90/90-21 Heavy Duty Inner Tube is engineered for durability and rugged performance, making it a top choice for off-road, dual-sport, and enduro riders. Designed to fit 90/90-21 tires—along with compatible sizes like 80/100-21, 90/80-21, and 100/80-21—this inner tube is constructed from a thick blend of natural and butyl rubber. Its heavy-duty walls are two to three times thicker than standard tubes, providing superior resistance to punctures from sharp rocks, thorns, and trail debris.

This extra-thick construction dramatically reduces the likelihood of pinch flats and blowouts, which is especially important for riders navigating harsh terrain. However, the added thickness does contribute to increased weight, which can slightly affect bike handling and acceleration. The added mass may not be ideal for high-performance racing, but for trail riders and adventure motorcyclists, the trade-off is often worth the peace of mind.

Installation of the Super Run heavy-duty tube can be more challenging than standard tubes due to its stiffness and bulk. Proper tools, tire lubrication, and careful technique are recommended to avoid pinching or damaging the tube during mounting.

Overall, the Super Run 90/90-21 Heavy Duty Inner Tube is built for riders who value reliability and long-lasting protection over minimal weight. It’s ideal for those who frequently ride in tough environments where tire damage is a real concern. While it may require more effort to install, the increased puncture resistance and durability make it a dependable upgrade for serious off-road enthusiasts.

In summary:

• ✅ Durability: Exceptional puncture resistance, suitable for rigorous trail use.

• ⚠️ Weight and Handling: Noticeable increase in weight; may affect performance.

• 🛠️ Installation: Thicker construction requires extra effort and proper technique.

Fits Tire Size:

• 90/90-21
• 80/100-21
• 90/80-21
• 100/80-21