Here is a great 12-1/2" x 2.5/3.0 inner tube with a straight valve stem. An extra thick walled scooter inner tube from Currie Technologies that is thorn and puncture resistant.
The a tube has a straight valve stem and is a OEM tube on Currie Technologies scooters, as well as compatible on all all 12-1/2" size tires with widths of 2.0-3.0". The straight valve stem is usually found on tubes used for the front tire.
If your scooter uses a tire requiring a 12-1/2" x 2.5/3.0 inner tube, then this is the best puncture resistant scooter inner tube for you.
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