CST - 16" - 16 x 4.0 - SV40mm (1.4mm Tube Thickness) OEM

CST 16 × 4.0 Inner Tube – SV40 mm – 1.4 mm OEM

General Description

Keep your compatible fat-tyre bicycle or mobility device ready to ride with the CST 16 × 4.0 OEM Inner Tube. Its robust 1.4 mm rubber construction provides reliable air retention and added durability for everyday and general-purpose riding.

The straight 40 mm Schrader valve works with standard automotive-style pumps and pressure gauges, making inflation and routine maintenance simple.

Key Features

• Designed for compatible 16 × 4.0 tyres

• OEM-quality CST replacement tube

• Durable 1.4 mm tube thickness

• 40 mm straight Schrader valve

• Compatible with standard automotive-style pumps

• Reliable air retention

• Suitable for fat bikes and other compatible wheeled equipment

• Ideal replacement for punctured, damaged or ageing tubes

Technical Specifications

Specification	Details
Brand	CST
Product type	Replacement inner tube
Tube size	16 × 4.0 inches
Valve type	Schrader / American valve
Valve configuration	Straight
Valve length	40 mm
Tube thickness	1.4 mm
Construction	Durable rubber
Quality type	OEM
Suitable application	Compatible fat-tyre bicycles and equipment
Colour	Black
Quantity	1 inner tube

Compatibility

Suitable for wheels using a 16 × 4.0 inner tube and a straight 40 mm Schrader valve. Compatibility depends on the tyre size, rim profile, valve-hole type and available valve clearance.

Check the size printed on the original tube or tyre sidewall before ordering. Do not select this tube based only on the wheel’s approximate outside diameter.

Package Contents

• 1 × CST 16 × 4.0 Inner Tube with SV40 mm Valve

Tyre, rim, pump and installation tools are not included.

Important Information

Inspect the tyre and rim for sharp objects, debris or damage before installation. Insert the tube with a small amount of air, avoid twisting or pinching it and inflate it according to the tyre or equipment manufacturer’s recommended pressure.

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CST 16 × 4.0 Inner Tube | 40 mm Schrader Valve

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CST OEM 16 × 4.0 inner tube with durable 1.4 mm construction and a straight 40 mm Schrader valve for compatible fat-tyre wheels.