YunSCM 20" Heavy Duty Fat E-Bike Inner Tubes (2-Pack) | Self-Sealing, Shock Absorbing, Durable Butyl Rubber – Fits 20 x 3.0/3.5 Tires, Schrader Valve

Upgrade your e-bike ride with YunSCM’s Heavy Duty 20” Fat E-Bike Inner Tubes, designed for durability, safety, and hassle-free performance. Ideal for riders tackling urban streets, rugged trails, or daily commutes, these heavy-duty inner tubes deliver reliable protection and a smoother ride.

Each tube fits 20 x 3.0 to 20 x 3.5 inch tires (AV 76/89-406) and features a pre-installed self-sealing liquid that instantly repairs small punctures, keeping you rolling even after unexpected flats. Tested to seal leaks within 5–8 seconds under normal conditions, these tubes are perfect for peace of mind on longer rides.

Crafted from thick, premium butyl rubber with added EPDM for flexibility, YunSCM’s tubes offer excellent shock absorption, minimizing vibrations and ensuring a comfortable ride across bumps and rough terrain. Their ultra-durable design boasts 40% more thickness and up to 200% better air retention than standard inner tubes, helping maintain stable tire pressure for 6–9 months and reducing the need for frequent reinflation.

Key Features:

• Fits tire sizes: 20 x 3.0, 20 x 3.3, 20 x 3.4, and 20 x 3.5 inches
• Pre-installed sealant for puncture protection and fewer flats
• Heavy-duty construction resists punctures, friction, and wear
• Schrader valve for easy inflation and compatibility
• Excellent shock absorption for a smoother ride
• Easy to install and remove
• Includes two inner tubes per package

Important Note: Before installation, check the tube for leaks by submerging it in water. Avoid focusing the self-sealing fluid near the valve during inflation to prevent spillage.

Model Number: YunSCM040
Part Number: YunSCM040
EAN: 0716852452255
Package Dimensions: 7.5 x 4.6 x 4.1 inches