Product Description Features 11. [Suitable for Most Bicycles] This bicycle stem is suitable for most bicycles with a fork tube diameter of 28.6 mm (1 1/8 inch) and a handlebar diameter of 31.8 mm (1 1/4 inch), such as mountain bikes, road bikes, city bikes, folding bikes, and e-bikes. 22. [Comfort] The angle is adjustable up to 85 degrees, and the handlebars and handlebars can be firmly fixed in the desired position, effectively relieving neck discomfort and making the riding posture more comfortable and safe. 33. [Easy Installation] Installation can be completed in minutes. Simply connect the original fork tube. The four-bolt handlebar clip securely holds the handlebars in place. 44. [Refined and Durable] The bicycle handlebar extender is made of high-quality aluminum alloy with a smooth surface, fine workmanship, and a solid feel. 55. [Wide Application] Universal handlebar, suitable for most mountain bikes, road bikes, fixed gear bikes, etc. Please check your handlebar size and select the appropriate model. Specifications: Adjustable stem; Material: Aluminum alloy; Color: Black; Length: 140mm/160mm/190mm; Mounting height: 35mm; Handlebar diameter: 28.6mm; Fork diameter: 31.8mm; Adjustable angle: 85 degrees; Weight: 265g/293g/316g; Bolt spacing: 90mm/110mm/145mm; Application: Suitable for most mountain bikes, road bikes, fixed gear bikes, etc.; Package contents: 1 * bicycle stem