【IDEAL STEM FOR RIDING】: Can't get comfortable on your bike?Have you tried too many bike stems?These adjustable stems are a useful way to adjust the height and reach of your handlebars, especially for rides where you spend long hours in the saddle.OUR ADJUSTABLE STEM IS THE BEST BET TO BE COMFORTABLE 【Compatibility】: Only suitable for handlebar diameter 31.8mm (1-1/4''), front fork stem diameter 28.6mm (1-1/8'') and is available in alength range - 90, 110 and 145 mm.PLEASE CONFIRM YOUR SIZE BEFORE PURCHASE 【Material】: THE MTB STEM IS MADE WITH A 3D FORGED ALLOY CONSTRUCTION THAT PROVIDES STRENGTH AND CONTROL.THE DURABILITY OF THIS STEM IS HIGHLY ADJUSTABLE WITH AN ANGLE FROM (-70° TO +70°) 【Easy to install】: SIMPLY CONNECT THE ORIGINAL FRONT FORK STEM.Four-bolt bar clamp holds bar securely in place If you have any questions please contact us promptly