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CST Tube 18 x 1.90 / 2.125 SV

Brand: CST

SKU: 8GA056Q7

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Product Details

Description

CST Bicycle Inner Tube

Size - 18" x 1.9/2.125 SV/AV

SV/AV = Schrader / Automotive Valve

Key Features

Durable rubber construction
Fits 18" wheels
Compatible with 1.90 to 2.125 tyres
Schrader valve for easy inflation
Lightweight design for better performance

Specifications

Product Overview

Product

CST Tube 18 x 1.90 / 2.125 SV

Brand

CST

Supplier SKU

TUU1B

Frequently Asked Questions

What is the CST 18×1.90–2.125 SV Inner Tube used for?

The CST 18×1.90–2.125 SV Inner Tube is used to replace or repair inner tubes on 18" bikes with tyres sized 1.90–2.125, restoring air retention and rideability. It provides a quick, reliable way to get wheels back on the road.

Why choose the CST 18×1.90–2.125 SV Inner Tube?

Choose the CST 18×1.90–2.125 SV Inner Tube for its durable rubber construction, broad tyre compatibility, and easy-to-use Schrader valve. Its lightweight build also helps maintain good riding performance.

Who is the CST 18×1.90–2.125 SV Inner Tube designed for?

The CST 18×1.90–2.125 SV Inner Tube is designed for riders with 18" wheel bikes—kids' bikes, small commuter or folding bikes—who need a dependable, easy-to-inflate replacement tube. It suits riders seeking a simple, versatile spare or repair option.

Durable Rubber Construction

Built from tough rubber for long-lasting puncture resistance and reliable performance. Ideal for regular use and rough riding conditions.

Wide Tyre Compatibility

Fits 18" wheels and supports tyre widths from 1.90 to 2.125 inches for versatile fitment. One tube covers multiple common tyre sizes, simplifying replacements.

Schrader Valve Convenience

Equipped with an SV (automotive) valve for easy inflation at home or at gas stations. Lightweight design keeps overall wheel weight down for better ride feel.