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 Package2 x Motorcycle handle1Product Name: speed control handle 2Product function: speed regulation and three speed reversing 3Product material: aluminum alloy ABS plastic material high quality rubber 4Product features: The exquisite design of the shell and the anti slip design of high quality rubber make your driving more comfortable. 5Product 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) 2 x Motorcycle handle