2-Pack 16x4.0 Fat Tire Bike Tubes – Heavy Duty Inner Tubes for 16” Electric Bikes & Fat Tire Bikes (4.0–4.5” Wide Tires, Schrader Valve)

Upgrade your ride with these heavy-duty 16x4.0 fat tire inner tubes, designed for electric bikes and fat bikes that demand durability, comfort, and reliable air retention on all terrains.


🚲 Perfect Fit for 16x4 Fat Tires (4.0–4.5” Width)

Engineered for a precise fit, these inner tubes are compatible with:

Equipped with a 32mm Schrader valve for quick and easy inflation.


💨 Excellent Air Retention Performance

Made from premium butyl rubber compound, these tubes deliver:


💪 Thick, Puncture-Resistant Construction

Built for tough riding conditions, these heavy-duty tubes provide:


🛞 Smooth & Comfortable Ride Experience

The flexible butyl rubber design helps:

Perfect for both commuting and off-road adventures.


📦 Value Pack – 2 Replacement Inner Tubes

Each package includes:


🔧 Easy Installation & Universal Use


🚴 Ideal for All Riding Conditions

Great for: