UPANBIKE Adjustable Bike Stem Riser Adapter 120 Degree 25.4mm*55mm Adjustale Angle Bicycle Stem Extender for Mountain Bike Road Bicycle MTB BMX - UPANTECH, 50-065-1US

• 1.Length(not total length): 55mm/75mm (Center distance of the handlebar hole and bolt,two length for you to choose). 2.Fit front fork stem diameter 28.6mm (1-1/8").Fit for Handlebar diameter 25.4mm/31.8mm(two diameter for you to choose). 3.Adjustable:After installation,the angle of the stem can be adjusted by 120 degrees.The maximum angle of 55mm length can be increased by 100mm,and the maximum angle of 75mm length can be increased by 115mm,make your riding more comfortable. 4.Durable:It is made of 6061 T6 aluminum alloy,the product is strong and durable,with a black coating on the surface to prevent rainwater corrosion.Suitable for most of mountain bike,road bike, MTB,BMX etc… 5.Easy to install,just connect up the original front fork stem,keep two bolts securely in right position.(Please make sure measure your handlebar diameter before you buy this adjustable stem,and choose the right diameter,thank you.)