Upgrade your ride with our reliable and versatile 20x1 3/8 inch (37-406) bicycle inner tubes.

This pack includes two tubes, ensuring you always have a backup ready for unexpected flats.

Designed to meet the needs of urban cyclists, commuters, folding bike owners, and families with kids' bikes, these tubes deliver consistent performance and durability.

Key Features & Compatibility:

Precise Fit: Designed exclusively for 20x1 3/8" (ETRTO 37-406) tires. Commonly found on:

City cruisers & commuter bikes (especially classic or vintage styles with rear racks)

Some 20-inch folding bicycles (including certain Dahon models)

Children's and juvenile bikes

Some beach cruisers and tricycles

Universal Valve Compatibility: Each tube comes with a standard 48mm Schrader (American) valve.

The included FREE FV-to-AV adapter allows use on Presta (French) valve rims, making it a true all-in-one solution.

Durable & Puncture-Resistant: Made from high-grade rubber that maintains flexibility and strength, reducing the risk of pinch flats and air leakage.

Convenient 2-Pack: Maximize value and preparedness. Keep one tube installed and the other as a spare in your garage or travel kit.

Ideal For:

Daily commuters and city riders

Owners of classic, vintage, or cruiser-style bicycles

Folding bike enthusiasts (verify your model's specifications)

Parents maintaining kids' or teens' bikes

Anyone seeking a reliable, universal-fit inner tube with added adapter convenience

Enjoy worry-free cycling with our durable, adaptable inner tube set.

Order now and be prepared for whatever the road brings!