Feature

Specification Range / Detail

Length

18" to 24" (45–60 cm)

Width

5" to 6.5" (12–16 cm) at the widest point

Mounting

Front clamp to seat post, rear supported by sissy bar

Padding

Foam with vinyl or leatherette cover

Cover Material

Vinyl (often textured or glittery for classic styles)

Color Options

Multiple (black, red, white, metallic, etc.)

Compatibility

Typically 20" bikes, but also used on 24" and some cruisers

Sissy Bar Requirement

Often needed for rear support and style

Frame Fit

Best suited for straight top-tube frames