Features1Aluminum alloy material is solid and practical. 2The polished surface is comfortable and smooth without hurting hands. 3To release the waist pressure. There is a height suitable for you. 4High stability, not easy to fall off, firmer, safer riding. 5Convenient and easy to install. 6Two-way crossforce, fine stability.SpecificationThis product has 2 specifications, which is convenient for you to adjust the handlebar to the height suitable for you, and it is more comfortable to ride.Features:Aluminum alloy material is solid and practical.The polished surface is comfortable and smooth without hurting hands.To release the waist pressure. There is a height suitable for you.High stability, not easy to fall off, firmer, safer riding.Convenient and easy to install.Two-way crossforce, fine stability.Specifications:Size: 31.8*80mm, 31.8*60mm (optional)Color: silverMaterial: aluminum alloyFront fork install size: 28.6mmInstallation size of handlebars: 31.8mmHandlebar Stem center length:31.8*80mm: 80mm / 3.1in31.8*60mm: 60mm / 2.4inTotal length:31.8*80mm: 122mm / 4.8in31.8*60mm: 105mm / 4.1inPackage size:31.8*80mm: 125 * 50 * 50mm / 4.9 * 2.0 * 2.0in31.8*60mm: 106 * 50 * 50mm / 4.2 * 2.0 * 2.0inPackage weight: 125g / 4.4ouncePacking List:1 * Bike Handlebar StemPackage List1 * Bike Handlebar Stem