Rear light HIGHSIDER PROTON module for recessed installation in black metal. The small dimensions and the possibility of being easily recessed make this headlight 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 a discreet but functional headlamp. Dimensions: Diameter: 11 mm Width (depth): 13 mm Weight: 4g Connections: Yellow = Rear position light (+) Red = Brake light (+) Black = Ground (-) Scope of delivery: 1 piece