Name: Adjustable stemMaterial: aluminum alloyColour: BlackLength: 140mm/160mm/190mmInstallation height: 35mmHandlebar diameter: 28.6mmFork diameter: 31.8mmAdjustable angle: 85 degreesWeight: 265g/293g/316gHole spacing: 90mm/110mm/145mmApplication: Suitable for most MTB mountain bikes, racing cars, fixed gear bicycles, etc. 11. [Suitable for most bicycles] The bicycle stem is suitable for most bicycles with a steering tube diameter of 28.6 mm (1 1/8 inch) and a handlebar of 31.8 mm (1 1/4 inch), such as mountain bikes and racing bicycles, city bicycles, folding bicycles and electric bicycles. 22. [Comfortable] The adjustable angle is 85 degrees, and the handlebars and bicycle handles can be firmly placed in the desired position to effectively relieve neck discomfort and make the riding posture more comfortable and safe. 33. [Easy installation] The installation can be completed within a few minutes. Just connect the original front steering tube. The four-bolt handlebar clamp holds the handlebar firmly in place. 44. [Exquisite and durable] Bicycle handlebar extender is made of high-quality aluminum alloy, with smooth surface, exquisite workmanship and stable hand feeling. 55. [Wide application] Universal handlebar, suitable for most MTB mountain bikes, racing cars, fixed gear bicycles, etc. Please check the size of the handlebars and select the appropriate model accordingly.