tubular rim
Quick Summary
A tubular rim is a type of bicycle wheel rim designed for use with tubular racing tires. These tires are not separate from the rim but are instead glued directly onto it. This construction differs from clincher tires, which have wire beads and are held onto the rim by air pressure and the rim's design. Tubular rims, along with their tires, are typically made from aluminum alloy for quality, though steel is used for less expensive options. Rim diameters can range from 14 to 27 inches, with common sizes being 26 inches for mountain bikes and 27 inches for road bikes.1
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