Petrol Scooter Inner Tube 2.80/2.50-4 - Bent Valve - 4 Inch

This is a high-quality standard inner tube designed for petrol scooters equipped with 4-inch wheel...

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Petrol Scooter Inner Tube 2.80/2.50-4 280/250-4 2.50-4 2.80-4 Bent Valve 4 Inch 5056213552794

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OnBuy.comPetrol Scooter Inner Tube 2.80/2.50-4 280/250-4 2.50-4 2.80-4 Bent Valve 4 Inch 5056213552794

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Product Information

Full details

Designed specifically for owners of petrol scooters with 4-inch wheels, this high-quality inner tube is the ideal replacement for damaged or leaking tires. It offers the key benefit of universal compatibility across multiple tire size specifications and features a user-friendly bent valve for simplified maintenance. While it is built for durability, users should ensure they are comfortable with basic mechanical repairs, as tire changes require removing the wheel from the scooter frame.

All features

Model Part Number	35622
Brand	PetrolScooter

Extended Product Information

FAQs

Is this tube compatible with electric scooters?

This tube is designed for 4-inch wheels on petrol scooters. Verify your wheel diameter matches 4 inches before purchasing.

Can I use a bicycle pump with this tube?

Yes, because it uses a standard Schrader valve, it is fully compatible with almost all bicycle floor pumps and petrol station air compressors.

What does the 2.80/2.50-4 designation mean?

These numbers represent the tire width and profile (2.80 or 2.50 inches) and the rim diameter (4 inches).

Does it come with a valve cap?

Yes, it typically includes a standard dust cap to prevent debris from entering the valve stem.

Do I need special tools to change this?

While not strictly required, a set of plastic tire levers is highly recommended to safely remove the tire from the rim without damaging it.

Troubleshooting

Tube loses pressure immediately after installation

Check for 'pinch' points where the tube may have been caught between the tire bead and the rim during seating.

Difficulty attaching air pump

Ensure the bent valve is rotated so the opening faces outward; if it is obstructed, loosen the rim bolts slightly to rotate the valve stem.

Valve leaks air when pump is removed

Check the Schrader valve core for debris; use a valve core tool to tighten or replace the internal spring mechanism.

Pros and Cons

Pros

Compatible with multiple common scooter tire sizes
Bent valve makes inflating easy in restricted spaces
Uses standard Schrader valve compatible with most pumps
High-quality construction for consistent air retention

Cons

Requires manual removal of the wheel assembly for installation
Not suitable for non-petrol scooters with different wheel diameters
Tire levers may be required for installation

Setup, Compatibility & Care

To ensure a long service life, verify that your current tire size is stamped with 2.50-4 or 2.80/2.50-4 on the sidewall before installation.

Installation Steps

Disconnect the wheel from the scooter chassis.
Deflate the old tube completely and use tire levers to separate one side of the tire from the rim.
Remove the old tube and inspect the inside of the tire casing for debris or sharp objects that caused the initial puncture.
Slightly inflate the new PetrolScooter inner tube to give it shape, then tuck it into the tire.
Carefully reseat the tire bead, ensuring the valve stem lines up correctly with the rim hole.

Regularly check your tire pressure to prevent under-inflation, which is the leading cause of pinch flats in small-diameter scooter tires.