YBR125 motorcycle brake light wire spring, spring + connecting rod combination size and YBR125 brake light switch/pedal interface exactly match, directly replace the original parts, no need to adjust the switch position; Connecting rod and spring are made of 304 stainless steel, rust and corrosion resistant, suitable for frequent action of the brake system; The spring and connecting rod are integrated to trigger the brake light switch synchronously when the brake pedal is pressed, and automatically reset when the brake light is released to ensure the accurate response of the brake light; Smooth connecting rod + spring with moderate elasticity ensures no delay in trigger/reset of brake light switch and improves driving safety.