Arrows with rear position light and HIGHSIDER PROTON brake light recessed module in black metal. The small dimensions and the possibility to be easily recessed make these arrows practically invisible on the bike. The trend towards ever smaller lighting elements gives the bike a fresh and clean look. No more oversized lighting systems! The right size for discreet but functional arrows. Dimensions: Diameter: 11 mm Width (depth): 13 mm Weight: 4g Connections: Yellow = Rear position light (+) Red = Brake light (+) Brown = Indicator (+) Black = Ground (-) Delivery volume: 1 pair To learn how to connect the resistors to the LED arrows click on the "INSTRUCTIONS" button.