Spigot Raised Handlebar Raised Seat Aluminium Alloy Suitable fit for Black Flag 500 "Function: This Motorcycle Handlebar Riser Mount can help you keep a more comfortable riding posture, effectively alleviate the fatigue of long-distance riding. riser can raise the handlebar to provide a more upright riding posture " Not easy to fall off, and safer riding,Very flexible and convenient. The bike stem riser is made of high-quality alloy, with high hardness, good rust and corrosion resistance, can be used for a long time. The light texture reduces the burden of riding for you.