Krator Brake Taillight Flasher Rear Alert Back Off Light For Suzuki Boulevard M109R C109R C50 C90 S40 S50 S83 Brake Light Flasher Safety Module Prevent Rear-End Collision and May Save Your Life!! This will alert the traffic behind you to STOP!!! Brand: Krator | Easy Installation Fitment: Suzuki Boulevard M109R C109R C50 C90 S40 S50 S83