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OnBuy.com£10.49Visit shop 12 Inch Car Innertube 400-12 240-12 / 480-12 500-12 530-12 570-12 Straight Valve 5056213504724
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The Petrolscooter 12-inch car innertube is an essential replacement component for owners of utility vehicles, trailers, or small equipment requiring a 4.80 x 12 size. Designed for broad compatibility across multiple tire profiles, this tube provides a reliable, airtight seal for heavy-duty applications. While the standard Schrader valve ensures easy inflation at most service stations, users must ensure their rim diameter and tire width match the 12-inch specification before installation to avoid pinching or punctures.
| Model Part Number | 29639 |
|---|---|
| Brand | Petrolscooter |
No, this tube is intended for utility, trailer, or equipment tires and is not rated for high-speed highway automotive use.
The valve stem length is 32.22mm.
Yes, it is designed to be compatible with 530-12 tire sizes among several others.
You can use any standard air pump designed for car tires, as this uses a Schrader-style valve.
This model features a straight-angle valve stem.
A light coating of talcum powder is recommended to help the tube seat correctly, but avoid oil-based lubricants which can degrade the rubber.
Check the valve core for tightness; if it continues to leak, ensure there are no punctures from sharp objects on the inside of the tire casing.
Ensure the tube is centered correctly within the tire, as the tube may have shifted during the mounting process.
Stop inflation immediately; this indicates the tire casing is damaged or the tube is not seated correctly.
To install, deflate the old tube completely and use tire levers to carefully break the bead of the tire from the rim. When inserting the new Petrolscooter innertube, ensure the valve stem is aligned correctly with the hole in the rim. Lightly dusting the tube with talcum powder can help it seat more evenly within the tire. For long-term care, regularly inspect the tire casing for debris like thorns or nails that could penetrate the tube, and check the Schrader valve core for tightness if you notice slow pressure loss. Always ensure the valve cap is screwed on to keep dirt and moisture out of the valve mechanism.
