TheBMXGuru Flat-Top Spider is USA made from 6061 aluminum. It works with 110mm chainrings 33t and larger. It has a 15/16″ (23.8mm) bore. This will fit one piece cranks and can other types of cranks with a sprocket adapter (not included). This item has an anodized finish and laser etched logos.

Color:Black

For 19mm adapter click HERE!