![Shimano 200GS rear derailleur keeps clicking. What do these screws do? I've turned them both ways but can't figure it out. : r/bikewrench Shimano 200GS rear derailleur keeps clicking. What do these screws do? I've turned them both ways but can't figure it out. : r/bikewrench](https://i.redd.it/sxed0pdxdha91.jpg)
Shimano 200GS rear derailleur keeps clicking. What do these screws do? I've turned them both ways but can't figure it out. : r/bikewrench
![How To Rebuild a Shimano 200GS, Altus C10, Alivio MC10, Acera X M290 M330, Exage Country Derailleur - YouTube How To Rebuild a Shimano 200GS, Altus C10, Alivio MC10, Acera X M290 M330, Exage Country Derailleur - YouTube](https://i.ytimg.com/vi/Tkqmm1wSRiQ/maxresdefault.jpg)
How To Rebuild a Shimano 200GS, Altus C10, Alivio MC10, Acera X M290 M330, Exage Country Derailleur - YouTube
![vintage Shimano 200GS retro mtb part group set derailleurs brakes 80s 90s # Shimano | Vintage bike parts, Vintage bike, Bike parts vintage Shimano 200GS retro mtb part group set derailleurs brakes 80s 90s # Shimano | Vintage bike parts, Vintage bike, Bike parts](https://i.pinimg.com/736x/cc/76/52/cc76521bf00645856684e4fe2d112514.jpg)
vintage Shimano 200GS retro mtb part group set derailleurs brakes 80s 90s # Shimano | Vintage bike parts, Vintage bike, Bike parts
![SHIMANO 200GS 28.6 Clamp-on TRIPLE front derailleur NOS! BB21G 001 - 7/1/21 RK02 | renaissance-cycle SHIMANO 200GS 28.6 Clamp-on TRIPLE front derailleur NOS! BB21G 001 - 7/1/21 RK02 | renaissance-cycle](https://primary.jwwb.nl/public/w/c/s/temp-tfemsekqdnagoejmlbxw/yuggg4/IMG_8650-1.jpg)