If you choose to carry out adjustments to your Triumph Trident 900 then it is always a good plan to have access to a Workshop Manual to keep just for personal reference should you need to know methods to take out a specific part for instance the Brake Discs and install it again appropriately.
Triumph Trident 900 Workshop Manuals will give specific diagnostic facts on your car therefore if something is broken it helps you work out what the problem is and some ways to repair it. After that you can analyse if you can do this yourself or if ever the job is just too big you can still make a booking for your Trident 900 right into a suitable garage.
Triumph Trident 900 manual