Zoom Stems & Parts|Q-2 Stem Quill Adapter (1″ Threaded to 1-1/8″ Threadless)

The Zoom Q-2 Stem Quill Adapter is cold forged and allows a 23mm height adjustment. This model adapts a 1″ threaded fork to a 1-1/8″ threadless stem.

Features:

• Cold-forged aluminum, 23mm height adjustment
• Steerer Clamp OD 28.6mm (1-1/8″)
• For installing threadless stems on a threaded fork
• Quill Insertion Diameter: 22.2mm for 1″ threaded forks

Specifications:
Fork Insertion Quill Diameter: 22.2mm
Stem Clamp Diameter: 1-1/8″

This product is expected to become available for purchase on Friday, August 28, 2026