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OnBuy.com£7.99Visit shop Petrolscooter Inner Tube 12 X 2 1/4 Bent Valve Stroller Pushchair Pram Buggy 12 Inch Tyre Tire
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The PetrolScooter 12 x 2 1/4 inner tube is an essential replacement component for parents and caregivers maintaining strollers, pushchairs, prams, and buggies equipped with 12-inch wheels. Designed for durability and ease of use, this inner tube features a convenient bent valve design that simplifies inflation in tight wheel hubs, though users should ensure their current tyre size matches the 12 x 2.125 or 12 x 2.35 specifications before installation.
| Model Part Number | 40336-4 |
|---|---|
| Brand | PetrolScooter |
Yes, this tube is designed for 12-inch range tyres including standard 12 x 2.125 and 12 x 2.35 sizes.
This tube uses a standard Schrader valve, which is the same type found on car tyres and most bicycles.
This tube is specifically engineered for stroller and pram wheels; while it may fit some kids' bike wheels of the same size, it is optimized for the load requirements of buggies.
The bent valve is a functional design choice to provide easier access to the valve stem on small-diameter wheels where the hub might otherwise obstruct a straight pump head.
If your tyre tread is bald or shows signs of cracking, it is highly recommended to replace the outer tyre to prevent immediate repeat punctures.
Check if the tube was pinched between the tyre bead and the rim during installation, or if there is remaining debris inside the outer tyre.
Ensure the valve core is tightened correctly and check that your pump head is securely pressed onto the Schrader valve.
To install, first ensure the tyre is fully deflated and removed from the rim using tyre levers if necessary. Inspect the inside of the outer tyre casing for any thorns, glass, or debris that may have caused a previous puncture before inserting the new tube. Slightly inflate the new tube before placing it inside the tyre to prevent bunching. Once seated, push the bent valve through the rim hole and inflate slowly, checking that the bead of the tyre is seated evenly around the rim. Always maintain the recommended PSI for your specific stroller model to extend the lifespan of the rubber.
