Product description High strength aluminium alloy 0°Aluminum alloy hollow short stem High quality 6061 aluminum alloy, steering sensitive, strong sense of control, suitable for difficult actions, CNC cutting, surface anodizing treatment, lightweight, high strength XC AM The use of Germany imported 6061 T6 processing aviation grade aluminum alloy, strong and extraordinary, suitable for XC,AM and other professional competitive scenes, the use of Japanese imported CNC machine tools and German imported tools, plus carved to ensure that EVOSID stem ultra-high precision, two-color gradient anode process, low-key not mediocre, but also highlights the driver's unique temperament CNC process technology Fine workmanship, outstanding quality, beautiful, a perfect work of art M5 Stainless steel screw Aviation aluminum, durable Perfect control Suitable for most handlebars and front forks, so you are not afraid to install Brand EVOSID Material 6061 T6 aluminum alloy Weight about 138g Style XC/AM Colour Black,Red,Black blue,Titanium color Length 40mm High 40mm Handlebar 31.8mm Fork 28.6mm Technology CNC SIZE & COMPATIBILITY: Universal fit and easy to install, EVOSID MTB STEM,Handlebar diameter: Length（40MM）, Height（40MM）, Front fork diameter（28.6MM）, Handlebar Diameter（31.6MM）, Screw（M5）, Weight: 139g Suitable: For downhill and off-road.BIkeshort stem is more conducive to the control of the bike, so that the bike steering is more flexible, and the short stem with the long handlebar,will safer and more stable at high speed. DESIGN: Aviation grade high strength aluminum alloy, appearance electroplating oxidation treatment, anti-rust, anti-oxidation, bright color and long-term non-fading.Ultra-lightweight hollow design, strong shape, Beautiful detail, slarge area CNC hollowed out in the center reduces weight without losing strength. DIVERSITY: 5 different colors to choose: Black, Black Blue, Red,Titanium color. You could choos the most suitable one for your bike. Service and after-sales: Our company is committed to designing and developing more bike accessory. We provide 90 days warranty. If you are not satisfied with our product or you have any questions, please feel free to contact us. We will provide you with satisfactory solutions