12 1/2 x 2 1/4 Inner Tubes with 70°/90° Bent Valve
This product consists of two excellent 12 1/2 x 2 1/4-inch inner tubes with a bent valve, oriented at 70/90°. The inner diameter is approximately 21.5cm, and these tire tubes may also be referred to as 12×2.125 or 12.5×2.25 (different nomenclature).
List of compatibilities
You can install these 12-inch tire tubes in inflatable tires. They are compatible with a wide range of vehicles, including balance bikes, scooters, folding bikes, kick scooters, strollers, mini scooters, unicycles, and 12-inch electric wheels.
Here are some examples:
Moovway 12-inch balance bike
Moovway 12-inch electric bike
Adrya Twair electric scooter
Certain Bikestar and Puky scooters
Other 12-inch electric scooters
Note: The complete list can be found at the bottom of this page.
70°/90° Bent Schrader Valves
These 12-inch tire tubes have 70° bent Schrader valves oriented 90° outward (70/90). The valve orientation must be taken into account for optimal insertion into the rim. These properly bent valves ensure easy inflation and a perfect ride.
High-Quality Rubber
These 12 1/2 x 2 1/4 tire tubes are waterproof and designed with high-quality butyl rubber. Their durability provides excellent resistance to wear and punctures.
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