[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