If you choose to carry out fixes to your Triumph Street Triple R then it is usually a good idea to have access to a Workshop Manual to use as reference just in case you need to know the right way to take out a particular component for example, the Brake Pads and install it again safely.
Triumph Street Triple R Workshop Manuals gives you specific diagnostic guidelines for the vehicle therefore if something is wrong it can help you discover what the problem is and tips to make it better. You can then analyse if you can do this by yourself or in case the job is just too big you can actually make a booking for your Street Triple R in with a trusted mechanic.
Triumph Street Triple R manual