CYCLEZ Silver 211mm 083 Aluminum Threadless QUILL STEM Adapter Bike Bicycle Premium Quality Taiwan

CYCLEZ Aluminum Threadless Quill Stem Adapter (For Ahead). Converts a threaded quill setup to threadless and also raises/extends the handlebars., Fork Steerer Inside Diameter: 21.1mm/ 0.83", Ahead Diameter (Stem Clamp): 28.6mm (1 1/8"), 28.6mm (Upper part) tap down to 21.1mm (Lower part), Premium Quality and Well-Made Aluminum Alloy Quill Stem - Made in Taiwan