Cinelli

1A 1" Quill Stem Replacement Expander Bolt and Wedge

The Cinelli 1A 1" Quill Stem Replacement Expander Bolt and Wedge is a precision-fit replacement part designed to keep classic quill stems performing as they should. Whether refreshing a vintage build or maintaining a trusted daily rider, this set ensures your Cinelli 1A stem stays secure and reliable mile after mile.

Crafted to Cinelli’s well-known standards of quality and compatibility, this expander bolt and wedge pair delivers the solid connection between stem and steerer tube that riders expect from Italian craftsmanship. A small but essential piece of hardware that keeps the front end tight, responsive, and safe to ride.

Key Features:

• Designed specifically for Cinelli 1A 1" quill stems
• Restores smooth function and secure fit to your classic cockpit
• Precision-machined for accurate alignment and reliable torque
• Ideal for vintage bike restorations or maintenance of long-loved setups

Keep your ride true to its roots with the dependable performance of genuine Cinelli hardware.