Ralson inner tube 27.5x1.95-2.125 AV/40mm unpackaged

Ralson inner tube 27.5x1.95-2.125 AV/40mm unpackaged

RALSON OEM inner tube 27.5 × 1.95–2.125 – AV car valve 40 mm

RALSON OEM 27.5 × 1.95–2.125 is a bicycle inner tube intended for mountain bikes with 27.5-inch wheels. With its universal width range of 1.95 to 2.125 inches, it is a practical choice for everyday cycling, leisure rides and regular use of a mountain bike.

The tube is fitted with a 40 mm AV (Schrader) car valve, which allows easy and convenient inflation with compatible bicycle pumps and car inflation devices.

The OEM version is suitable as a replacement tube for routine bicycle maintenance or when replacing a damaged tube after a puncture.

RALSON OEM – a practical tube for mountain bikes

The RALSON OEM tube is intended for the ordinary use of mountain and leisure bikes.

It is used for riding on asphalt cycle paths, forest and field tracks, gravel and in lighter terrain.

Thanks to its standard size, it is also suitable as a spare tube that can be carried on longer cycling trips.

Size 27.5 × 1.95–2.125

The tube is intended for 27.5-inch wheels with a rim bead seat diameter of 584 mm.

It is suitable for tyres 1.95–2.125" wide, which corresponds to approximately 50–54 mm.

This size is used on many mountain bikes intended for leisure cycling and ordinary off-road rides.

Before purchasing, we recommend checking the designation of the original tyre and its compatibility with the stated range.

AV car valve – length 40 mm

The tube is fitted with an AV (Schrader) car valve with a length of 40 mm.

The car valve is practical mainly thanks to its ease of use and the wide availability of compatible inflation devices.

Advantages of the AV car valve:

• Easy inflation with a compatible bicycle pump
• Can be inflated with a car compressor
• Simple pressure checking and topping up
• 40 mm length suitable for many common MTB rims
• A practical solution for everyday use of the bike

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

Suitable for everyday and leisure cycling

RALSON OEM 27.5 × 1.95–2.125 is suitable for regular use of a mountain bike.

It can serve as a replacement for the original worn or damaged tube as well as spare equipment in case of a puncture.

For correct function, it is important to observe the recommended inflation pressure according to the values stated on the tyre and rim.

When fitting, we recommend checking the inner surface of the tyre, the condition of the rim tape and the correct seating of the tube.

Practical OEM version

The OEM designation denotes a product variant suitable for ordinary service use and tube replacement.

The RALSON OEM tube is a practical choice for cyclists looking for a functional replacement component for their 27.5-inch mountain bike.

Main features:

• Manufacturer: Ralson
• Range: OEM
• Product type: bicycle inner tube
• Purpose: mountain bikes (MTB)
• Size: 27.5 × 1.95–2.125"
• Rim diameter: 584 mm
• Compatible tyre width: approximately 50–54 mm
• Valve type: AV – car valve (Schrader)
• Valve length: 40 mm
• Use: MTB, leisure cycling, everyday riding
• Suitable as: a replacement or spare tube

Main advantages:

• Suitable for mountain bikes with 27.5-inch wheels
• Compatible with tyres 1.95–2.125" wide
• Standard rim diameter of 584 mm
• Practical AV (Schrader) car valve
• Valve length 40 mm
• Easy inflation with compatible pumps and compressors
• Practical when replacing a damaged tube
• Suitable as a spare tube for cycling trips

Use: The RALSON OEM 27.5 × 1.95–2.125 inner tube with a 40 mm AV car valve is a practical choice for mountain bikes with the corresponding tyre size. Thanks to the universal width range and the easy-to-use car valve, it is suitable for everyday cycling and leisure rides, and as a spare tube for longer journeys.