If you need to do fixes on your own Triumph Bonneville Europa then it is usually recommended to have access to a Workshop Manual to use as reference in the event you want to know the right way to take off a particular component including Brake Pads and fit it again appropriately.
Triumph Bonneville Europa Workshop Manuals offers clear exact diagnostic guides on your vehicle so if something is faulty it helps you discover what the situation is and methods to fix it. You will be able to determine if this can be achieved yourself or that the job is simply too big you can still make a booking for your Bonneville Europa in to a local repair garage.
Triumph Bonneville Europa manual