Left side. Special LED’s in amber (turn signals), red (rear marker) and white (front marker) and a clear transparent glass-like material give a ‘total lighting system’. Will fit 22mm & 1″ diameter handlebars with an inside diameter of 14mm to 21mm. To be used with 930288, 930343 or 830114 grips, without end cap only. ECE approved as front turn signal only. Approx. dimensions: 35mm diameter, 43mm outside bar, 53mm inside bar, OAL 96mm, 100cm wiring. Note: See 930287 for right side.