Available in two sizes to fit different fork headset diameters
Easy installation with single bolt center design
Summarized by Shop
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 dur