Check the listing for details. 31.8mm Bike Stem 45mm Bicycle Handlebar Stem for MTB, Sand Bright Red. Color: Black, Condition: New. Listed at 14.99 USD. Specifications:Handlebar Diameter: 31.8mm / 1.25"Front Fork Stem Diameter: 28.6mm / 1-1/8"Length: 45mm / 1.8" (center distance of the two holes)Material: Aluminum AlloyColor: Sand Bright RedPackage Content: 1pcs x Bike Stem, 1pcs x Hex WrenchDescriptions:This mountain bike stem is made of heat-treated aluminum alloy, which is high in strength, impact-resistant, corrosion-resistant and anti-oxidation. The anodized surface effectively improves the anti-corrosion and wear-resistant performance of the stem, maintaining its gloss without fading.The double-lock safety system with anti-slip calibration ensures stability during intense riding. The reinforced clamping mechanism maintains precise alignment over the entire terrain. This BMX stem is easy to install, simply connect it to the original front fork stem.