Ralson inner tube 28x1.95-2.125 (50/54-622) AV/48mm unpackaged

Ralson inner tube 28x1.95-2.125 (50/54-622) AV/48mm unpackaged

RALSON OEM inner tube 28 × 1.95–2.125 (50/54-622) – AV car valve 48 mm

RALSON OEM 28 × 1.95–2.125 is a quality bicycle inner tube intended for bikes with 28-inch wheels and tyres 1.95 to 2.125 inches wide. With the size designation 50/54-622, it is suitable for tyres approximately 50–54 mm wide with a rim diameter of 622 mm.

The tube is fitted with a 48 mm AV (Schrader) car valve, which allows convenient inflation with compatible bicycle pumps and car compressors.

It is a practical solution for everyday cycling, leisure rides and routine bicycle maintenance.

Size 28 × 1.95–2.125 (50/54-622)

The tube is intended for tyres with a rim bead seat diameter of 622 mm and a width of approximately 50–54 mm.

This size is used on many trekking, cross, city and leisure bikes. The 622 mm rim diameter is also common on some 29-inch mountain bikes.

Thanks to the stated range, the tube is suitable for several tyre sizes, for example:

• 50-622
• 52-622
• 54-622

Before purchasing, we recommend checking the size stated on the sidewall of the original tyre.

AV car valve – length 48 mm

RALSON OEM is fitted with an AV (Schrader) car valve with a length of 48 mm.

The car valve is one of the practical solutions for ordinary cycling. Its main advantage is easy inflation and the wide availability of compatible inflation devices.

Advantages of the 48 mm AV car valve:

• Easy and convenient inflation
• Compatibility with pumps designed for car valves
• Can be inflated with a car compressor
• 48 mm length for easier access to the valve on compatible rims
• Simple pressure checking and topping up

Before fitting, it is important to check that the rim has a hole for an AV car valve.

Suitable for everyday cycling

The RALSON OEM tube is suitable for ordinary use on trekking, cross and city bikes with the corresponding tyre size.

It is used for riding on asphalt roads, cycle paths, paved tracks and lighter terrain.

It is a practical choice when replacing a damaged or worn tube and can also serve as spare equipment for longer cycling trips.

Practical OEM version

The RALSON OEM tube is suitable for ordinary service use and the replacement of original tubes.

Thanks to its standard size, AV car valve and 48 mm valve length, it is a practical replacement component for compatible bikes.

Correct fitting and maintenance

Careful fitting and regular pressure checks are important for the tube to work correctly.

Before installation, we recommend checking the inner surface of the tyre, removing any sharp objects and verifying the condition of the rim tape.

When inflating, the pressure limits stated on the tyre and rim must be observed.

Main features:

• Manufacturer: Ralson
• Range: OEM
• Product type: bicycle inner tube
• Size: 28 × 1.95–2.125"
• ETRTO range: 50/54-622
• Rim diameter: 622 mm
• Compatible tyre width: 50–54 mm
• Valve type: AV – car valve (Schrader)
• Valve length: 48 mm
• Purpose: trekking, cross, city and other compatible bikes
• Use: everyday riding, leisure cycling, cycling trips
• Suitable as: a replacement or spare tube

Main advantages:

• Suitable for tyres 1.95–2.125" wide
• Compatibility with ETRTO sizes 50–54/622
• Standard rim diameter of 622 mm
• Practical AV (Schrader) car valve
• Valve length 48 mm
• Easy inflation with compatible pumps and compressors
• Suitable for everyday and leisure cycling
• Practical when replacing a damaged tube
• Suitable as a spare tube for longer rides