Deda Elementi Quill Stem AdapterFind the perfect replacement for your quill stem with this machined aluminium alloy adapter from Deda Elementi. Helping you accumulate threadless steam on a retro threaded fork and headset, get yourself ahead of the game with the ability to fit a 1” threadless stem to the threaded steerer.  Features:Fork steerer inside diameter 22.2mmStem inside diameter 25.4mmMachined aluminium alloy, black anodisedBuy Deda Elementi from Chain Reaction Cycles, the World's Largest Online Bike Store.