This premium quill stem adapter riser made of high quality aluminum alloy- sturdy, solid, high strength but lightweight. Type:Bike Quill Stem Adapter. Converts mountain bicycle/ folding threadedless quill setup to threadless.
The Bike Quill Stem Adapter Riser Mountain 22.2/25.4mm Quill Component Parts is designed for riders who wish to adapt their mountain bike's quick release stem to accommodate 22.2mm or 25.4mm stemless or reduced-bolt stem components.
