Origin8 Stem Adapter - Quill 1" (22.2mm) to Threadless 1-1/8"

Converts a threaded fork`s steerer tube to threadless.

Convert your old 10 speed bike to use a modern 1-1/8" "threadless" stem.

Quill diameter: 22.2mm
Top diameter: 28.6mm (1-1/8")