20 x 2.125 Bicycle Tire - Slick Street Cruiser & BMX Tire with Blue Line Sidewall

Ralson S2 Slick Tire 20 x 2.125 Black Blue Line Sidewall BMX Cruiser Schwinn Style (ISO 406)

Item Description

The Ralson R-4127 Slick Tire is a Schwinn-style S2 (ISO 406) tire designed for 20-inch BMX, cruiser, and custom lowrider bicycles. It features a smooth slick tread for street riding and a black sidewall with a blue accent line for a classic vintage appearance.

Key Features

• Smooth slick tread for pavement and street use

• Schwinn-style S2 / ISO 406 compatibility

• Black sidewall with blue accent line

• Line appearance may vary due to manufacturing process

• Wire bead construction for secure rim fit

• Suitable for BMX, cruiser, lowrider, and custom builds

Specifications

• Brand: Ralson

• Model / Tread Code: R-4127

• Tire Name: Slick

• Size: 20 x 2.125

• ISO / ETRTO: 406

• PSI Range: 30–50 PSI

• Bead Type: Wire

• Style: Standard

• Color: Black with Blue Line Sidewall

Compatibility

• Fits 20" x 2.125 wheels with ISO 406 / Schwinn-style S2 rims

• Commonly used on BMX, cruiser, lowrider, and vintage Schwinn-style bikes

Please confirm rim size and frame clearance before purchasing.

Manufacturer Disclaimer – Blue Line Appearance:
Due to the way the tire is produced, the blue line may not be perfectly straight, continuous, or evenly connected around the entire tire. This is a normal manufacturing characteristic, not a defect, and does not affect performance, fitment, or durability