Choosing the correct disc brake adapter for your bike
Ending the rotor size myth – Why you should have a bigger brake rotor at the back than the front
203mm rotor fitment
OutBraker inline booster adjusts your road, mountain bike hydraulic disc brake power - Bikerumor
Brake Protec brushes, the secret to longer rotor & brake pad life? - Bikerumor
Question about using disc brake adapters to mount on old suspension fork? - Bike Forums
Avid's Front 170mm Post Bracket Hardware Kit has everything you need to mount a 170mm rotor (sold separately) to the front of your bike. Kits include mounting bolts and post mount spacers for front brake installation.
Avid Post Spacer | Disc Brake Adaptor
Mountain Bike Brake Adapters Explained
Safety
Bicycle Disc Brakes
How to install bigger brakes and stop faster
Attach Water Bottles, Add Cage Mounts to Your Bike
EVERYTHING YOU NEED TO KNOW ABOUT DISC BRAKES - Road Bike Action
Can you actually use these cheap adapters or is it sketchy as hell? are there good quality ones that are tried and tested? : r/bikewrench