What Is It
The Ryder Tube 20x1.75/2.125 AV is a bicycle inner tube made for 20-inch wheels with tire widths between 1.75 and 2.125 inches. It uses an AV (Auto Valve/Schrader valve), the same style commonly found on car tires, making inflation easy at garages and with standard pumps.
Key Features
- Fits a wide range of 20-inch tire widths
- Schrader/Auto valve compatibility
- Durable butyl rubber construction
- Suitable for BMX, kids’, and junior mountain bikes
- Easy to install and widely compatible
- Good air retention for everyday riding
Specifications
| Specification |
Details |
| Wheel Size |
20 inch |
| Tire Width Compatibility |
1.75" – 2.125" |
| Valve Type |
AV / Schrader / Auto Valve |
| Material |
Butyl rubber |
| Typical Use |
BMX, junior MTB, kids’ bikes |
| ETRTO Range |
Approx. 47/57-406 |
Pros
- Easy to inflate with standard pumps
- Broad tire compatibility range
- Affordable replacement tube
- Durable enough for everyday riding
- Good option for BMX and kids’ bicycles
- Butyl material helps reduce air loss
Cons
- Heavier than lightweight TPU tubes
- Not puncture-proof
- Standard tube design may require sealant or liners in thorn-heavy areas
- Schrader valve is bulkier than Presta valves
Who Is It Suitable For
- Kids with 20-inch bicycles
- BMX riders
- Junior mountain bike riders
- Casual recreational cyclists
- Riders needing an affordable replacement tube
Who Should Use It
- Anyone running 20 x 1.75–2.125 tires
- Riders who prefer Schrader valves
- Parents maintaining children’s bikes
- Commuters or recreational riders wanting a reliable everyday tube
Bottom Line
The Ryder Tube 20x1.75/2.125 AV is a practical, budget-friendly inner tube for 20-inch bikes. It offers reliable everyday performance, easy inflation, and broad compatibility for BMX and junior bikes, making it a solid replacement or spare tube option.