Fat Bike Inner Tube 20x4 Schrader Valve model version_Challenger 1 preventing items from slipping out

preventing items from slipping out during your ride

designed to maximize your carrying capacity by an impressive 30-40 liters

while the siped transition knobs and shoulder blocks provide exceptional grip in diverse trail conditions

Follow best practices with respect to rigging the bicycles securely on the rack

With its unique dual pressure gauge design

Fat Bike Inner Tube 20x4 Schrader Valve model version_Challenger 1 preventing items from slipping outThis is a single 20x4 bicycle inner tube with a Schrader valve. Compatible with all Biktrix electric bikes equipped with 20x4 fat eBike tires. Have a spare handy and ready to replace your existing inner tube as it wears or fails.