[Lifetime Warranty] 14x2.125 Bike Inner Tubes - Pack of 2

2 Packs Heavy-Duty 14x2.125 Bike Inner Tubes with Angled Valve Stem Key Features Quantity: 2 inner tubes Size: 14 x 2.125 inches Material: Made from durable butyl rubber for shock absorption and puncture resistance Valve Stem: Angled valve stem for easier access and inflation on smaller wheels Replaces / Cross-Reference Part Numbers 14x2.125 57-254 (ETRTO) Compatibility & Fitment Tire Size: Fits 14-inch tires with a width of 2.125 inches Vehicle Types: Electric bikes, e-bikes, electric scooters, and standard bicycles with 14-inch wheels Confirmed Fitment: Compatible with select models from Jetson and Gotrax using 14x2.125 tires When to Replace Visible punctures, cuts, or holes in the tube Failure to hold air pressure after inflation Damaged, bent, or leaking valve stem Tube becomes brittle or shows signs of cracking due to age Installation Tips Before installing, inspect the inside of the tire and rim for sharp objects or debris Lightly inflate the new tube before placing it inside the tire to prevent pinching and twisting Ensure the valve stem is correctly aligned and seated in the rim's valve hole Use tire levers to mount the tire bead, taking care not to pinch the new tube Inflate to the pressure recommended on the tire's sidewall