Mountain Bike Stem Aluminum Alloy Sturdy 31.8mm Stem Riser Bike Handlebar Stem Stem Riser for Biking Road Bikes

Reliable Material: The road bike stem is made of high strength aluminum alloy, fatigue resistant, sturdy and long using time. Great Features: The short stem can decrease tilting for cycling and provide more flexibility for better control of steering. Proper Size: The road bike stem fits for 3.5cm/1.38inch front extension, 3.18cm/1.25inch handlebar diameter, 2.86cm/1.13inch front fork hole diameter, 4.5cm/1.77inch front fork height. Easy Installation: You just need to connect original front fork stem and make four bolt bar clamp hold the bar securely in position. Wide Applications: The bike stem is widely suitable for road bikes, mountain bikes, track bikes, wheelie bikes, etc.