This GT BMX bicycle tube is the perfect replacement for your 20" BMX tires. Its 2.1"-2.4" width provides a snug fit, while the Schrader valve allows for easy inflation. Made by GT Bicycles, a trusted brand in the industry, this tube is durable and reliable for all your BMX adventures.

Specifications 

Bicycle tire tube made by GT

* Size: Fits 20" X 2.1" to 20" X 2.4" tires

* Schrader valve (like a car tire), 35mm long