100% brand new and high qualitySuitable for mountain bicycle to rise up the handlebar fork stem Can extend the fork stem by 70mm maximumlyEasy installation、 just connect up the original front fork stemMaterial: aluminium alloyBase Diameter: 1 1/8?¨¤ (28.6mm)Fork stem diameter: 28.6mm (standard)Total height: 117mmAdjustable height: 0mm-70mmStem adjuster: 4 spacers: 1 x 10mm & 3 x 5mmColor: blackHow to install:1. Insert STEM-UP onto the fork stem and place height adjusters onto STEM-UP until your preferred height level for your stem.2. Stem and wheel in the same direction and highten clamping bolts of the stem.Package Included:1x bicycle fork stem riserClose