Duro Fat Bike Tube 26 x 3.50/4.00 FV 48mm

Premium replacement tube engineered for fat bikes with oversized tyres. Fits 26-inch wheels with tyre widths from 3.50 to 4.00 inches. It provides reliable air retention and puncture resistance on extreme terrain.

The 48mm Frenkel valve (FV) provides a secure, leak-free seal and is compatible with standard floor pumps and tubeless setups. Built from durable butyl rubber to withstand aggressive riding conditions, rocky descents, and high-impact landings.

Essential spare for any serious fat bike setup. Keep one in your pack for confidence on remote trails and backcountry adventures.