Rampa
Guru
Check this out. It is just a tiny piece that changes the cable actuation for mountain derailleurs to work with road brifters.
https://bikerumor.com/2020/02/07/ho...derailleur-for-massive-budget-mullet-gearing/
https://bikerumor.com/2020/02/07/ho...derailleur-for-massive-budget-mullet-gearing/