CalPalmy 26x4” Inner Tubes (2-Pack) - Fat Tire Tubes for Mountain Bikes and Fat Tire E-Bikes - Inner Tubes with 32mm Schrader Valve - Includes Tire Lever

Heavy-Duty Butyl Rubber Construction – Made from premium thick butyl rubber, these 26x4” fat tire bike tubes deliver superior strength, air retention, and durability. Designed to last longer than standard tubes, offering reliability for everyday rides and rough terrains.

Perfect Fit for Fat Tire Bikes – Compatible with a wide range of fat tire bicycles, including electric bikes and mountain bikes. Fits 26x4” tires commonly found on models such as Compatible with Super73, Rad Power Bikes, Lectric eBikes, Happy Ebikes, and similar fat tire bikes.

Enhanced Puncture Resistance – Built to withstand tough riding conditions, these inner tubes provide protection against flats caused by rocks, thorns, and debris. Ideal for backcountry trails, city streets, or off-road adventures, ensuring fewer interruptions during your ride.

Reliable Backup or Replacement – A practical spare tube for emergencies or routine replacements. Whether you’re swapping out a worn tube or preparing for long-distance rides, these heavy-duty bike tubes offer a dependable upgrade over standard stock tubes.

All-Season Ride Confidence – Designed for year-round performance, these fat bike inner tubes handle varying terrains and weather conditions with ease. Enjoy a smooth, stable, and comfortable riding experience on trails, sand, snow, or pavement.

Upgrade your rides with these 26x4” heavy-duty butyl rubber fat tire bike tubes, designed for durability and reliability on and off the road. Perfectly compatible with electric bikes, mountain bikes, and fat tire bicycles, these tubes are built to handle challenging conditions. Featuring enhanced puncture resistance, they protect against thorns, rocks, and trail debris, reducing the risk of flats and keeping your rides uninterrupted. Whether used as a spare or as a replacement for worn tubes, they provide a dependable upgrade over standard stock tubes. Ideal for all-season cycling, these 26x4” bike inner tubes deliver a smooth, stable, and comfortable ride on diverse terrains—from sandy beaches to snowy trails and rugged mountain paths. Ride with confidence knowing your tires are reinforced for performance and protection.