Overview

Profile Design’s Threadless Converter allows you to use modern 1-1/8 threadless stems on bicycles with threaded forks that take quill stems (stems with single bolts in the center). Now you have the benefit of being able to use modern stems and handlebars to dial in your fit and comfort. This Quill Adapter is made of light and durable aluminum body / wedge and features a chromoly bolt.

• Profile Design’s Threadless Converter allows a threaded fork to work with a threadless stem. Available in two size options depending of your fork / headset size: make sure to measure the Inner Diameter of your fork: (Please refer to the Tech Specs below before placing a order)

Tech Specs

Available Sizes Options:

1″- 1-1/8th: (22.2mm ID Fork – 1-1/8th Threadless Stem)

• Fork Size:1″ (Threaded)
• Stem Size: 1-1/8″ (Threadless)
• Quill Size: 22.2mm
• Length: 153mm total length
• Adjustability: 80mm above the minimum insertion line
• Stack Height: 40mm (mounting aera for threadless stem)
• Weight: 184g
  

1-1/8th – 1 1/8th: (25.4mm ID Fork – 1-1/8th Threadless Stem)

• Fork Size:1-1/8″ (Threaded)
• Stem Size: 1-1/8″ (Threadless)
• Quill Size: 25.4mm
• Length: 153mm total length
• Adjustability: 80mm above the minimum insertion line
• Stack Height: 40mm (mounting aera for threadless stem)
• Weight: 189g