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Inner Tube

Inner Tube, AV

Inner Tube

Inner Tube, SV

Inner Tube

Inner Tube, SV
Inner tubes are sized to match the tire diameter and width. Check your tire sidewall for numbers like 700x25c or 26x2.0. These indicate the diameter and width in inches or millimeters. Select inner tubes that match these measurements for a proper fit.
Inner tubes come with Presta or Schrader valves. Presta is slimmer, often used on road bikes, while Schrader is wider, similar to car tires. Match the valve type to your bike's rim hole size and consider your pump compatibility.
Thicker inner tubes offer more puncture resistance but add weight. If you ride on rough terrain or commute daily, thicker options might be beneficial. However, for racing or performance cycling, lighter inner tubes could be preferable.
Inner tubes can be from any brand as long as they fit your tire size and valve type. Quality might vary between brands, so consider user reviews and experiences when selecting a brand.
Inner tubes naturally lose air over time due to permeability. Frequent flats might indicate issues like sharp objects in the tire or rim tape problems. Regularly check and maintain correct pressure to minimize air loss.
You should replace an inner tube if it has multiple patches, frequent flats, or visible damage like cracks. Regular checks help ensure reliability and safety while cycling.
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