Inner Tube 12 x 2.125 Bent Valve - PetrolScooter - 40336-1

This high quality inner tube is designed for 12 inch tyres with a size of 12 x 2.125 or 2.35. It f...

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OnBuy.comPetrolscooter Inner Tube 12 X 2.125 Bent Valve Stroller Pushchair Pram Buggy 12 Inch Tyre Tire
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Product Information

Full details

The PetrolScooter 12 x 2.125 inner tube with a bent valve is an essential replacement component designed for parents and caregivers using 12-inch wheeled strollers, pushchairs, prams, and buggies. It offers a reliable, durable solution for restoring mobility to your equipment, though it is critical to verify your existing tyre size and valve orientation before purchase to ensure compatibility.

All features

Model Part Number40336-1
BrandPetrolScooter

Extended Product Information

FAQs

Will this fit my 12-inch pushchair tyre?

Yes, if your tyre size is marked as 12 x 2.125 or 12 x 2.35, this tube is designed to fit.

Can I use a standard bicycle pump to inflate this?

Yes, the tube uses a standard Schrader valve, which is compatible with almost all bicycle and automotive air pumps.

What does the bent valve do?

The bent angle is designed to make it easier to attach an air pump to wheels where the valve stem is crowded or hard to reach.

Do I need to replace the tyre when replacing the tube?

Not necessarily, but you should inspect the tyre for deep cuts or embedded debris that caused the initial puncture.

Is this sold as a pair?

This product listing is for a single inner tube.

Troubleshooting

Tube will not hold air after installation

Check if the tube was pinched during mounting or if there is a sharp object remaining inside the tyre casing.

Difficulty reaching the valve with pump

Ensure the bent valve is oriented outward. If still difficult, use a pump with a flexible hose extension.

Pros and Cons

Pros

  • Bent valve design allows for easy inflation in tight wheel hubs
  • Compatible with both 12 x 2.125 and 12 x 2.35 tyre sizes
  • Uses standard Schrader (car-type) valve for universal pump compatibility
  • High-quality material construction provides long-lasting reliability

Cons

  • Requires proper sizing check to ensure it matches your specific rim width
  • Inner tubes are puncture-prone if used on extremely rough or sharp surfaces
  • Does not include installation tools or tyre levers

Setup, Compatibility & Care

To install, first deflate the remaining air in the old tube and remove the wheel from the pram frame. Use tyre levers to gently pry the edge of the tyre from the rim and extract the damaged tube. Before installing the new PetrolScooter 12 x 2.125 tube, lightly inflate it to give it shape. Insert the valve through the rim hole first, then tuck the tube evenly inside the tyre casing. Seat the tyre back onto the rim, ensuring the tube is not pinched between the tyre bead and the metal rim. Finally, inflate to the manufacturer's recommended PSI. Regularly check your tyre pressure, as under-inflated tyres are more susceptible to 'pinch flats' when hitting curbs or uneven pavement.

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