Alloy adjustable quill stem gives you a complete range of angles to suit every position on the bike. - Material: Alloy. - Construction: Cold forged. - For 1" threaded steerers. - Length: 100 or 120mm. Angle: Adjustable between 0 and 60 degree. - Bar bore diameter: 25.4mm. - Colour: Black or Silver. - Weight: 485g.