Hign-concerned Chemical:None Motobike Make:Universal Origin:Mainland China Feature 1:Aluminum Alloy Rolling Handle Set Feature 2:Electric Bicycle/Scooter/Motorcycle Speed Handle Feature 3:Throttle Handle Feature 4:Accelerator Handle Feature 5:Electric Scooter Accessories Feature 6:Universal Three Gear Handlebar Feature 7:Switch Handle Feature 8:Throttle Rotation Handle Feature 9:Electric Bicycle Throttle Feature 10:With 3 Speed Controller Feature 11:Electric Car Modification Parts Feature 12:Dropship Product Name: speed control handle Product function: speed regulation and three-speed reversing Product material: aluminum alloy ABS plastic material high quality rubber Product features: The exquisite design of the shell and the anti-slip design of high quality rubber make your driving more comfortable. Product installation: Plug-black line Red Line Green Line is speed control plug (black grounding line Red +5V positive Line Green the signal line) Plug 2 Brown Line yellow line blue line is three-speed adjustment (brown high-speed yellow medium-speed blue low-speed) Installation diameter 22mm Note:The color of switch button is random. Package2*Motorcycle handle