USACEK Mountain Road Bike Stems 25.4mm Handlebar Riser 60-130mm Aluminium Alloy Durable Lightweight Parts StemFeatures: This bicycle handlebar is made of 6061-T6 aluminum alloy, which has high strength. Durable, corrosion-resistant, with good impact resistance and stability. Aluminum alloy bicycle handlebar risers are lightweight, helping to reduce..