Disc brake friction pads for vehicle braking systems; disc brake pads for vehicle braking systems; disc brake rotors for vehicle braking systems; vehicle disc brakes; direction indicator signals for cycles; direction indicator signals for land vehicles; direction indicator signals for vehicles; direction indicators for bicycles, cycles, etc.; direction indicators for cycles; direction indicators for land vehicles; direction indicators for vehicles; directional indicators for vehicles; chains for driving motorcycles; sprockets for motorcycle drives; brackets for mounting lamps on vehicles