![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
![Vintage Shimano 200GS Double Crankset 170mm 48/38 FC-A200 Black Japan low miles - Simpson Advanced Chiropractic & Medical Center Vintage Shimano 200GS Double Crankset 170mm 48/38 FC-A200 Black Japan low miles - Simpson Advanced Chiropractic & Medical Center](https://i.ebayimg.com/images/g/VOQAAOSwKz1lHuBo/s-l1600.jpg)
Vintage Shimano 200GS Double Crankset 170mm 48/38 FC-A200 Black Japan low miles - Simpson Advanced Chiropractic & Medical Center
![SHIMANO 200GS 28.6 CLAMP-ON Triple derailleur 28.6 NOS! BB28B 557 - 9/16/20 RK04 | renaissance-cycle SHIMANO 200GS 28.6 CLAMP-ON Triple derailleur 28.6 NOS! BB28B 557 - 9/16/20 RK04 | renaissance-cycle](https://primary.jwwb.nl/public/w/c/s/temp-tfemsekqdnagoejmlbxw/jct43x/IMG_6809-1.jpg?enable-io=true&enable=upscale&fit=bounds&width=1200)
SHIMANO 200GS 28.6 CLAMP-ON Triple derailleur 28.6 NOS! BB28B 557 - 9/16/20 RK04 | renaissance-cycle
![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?enable-io=true&enable=upscale&fit=bounds&width=1200)
SHIMANO 200GS 28.6 Clamp-on TRIPLE front derailleur NOS! BB21G 001 - 7/1/21 RK02 | renaissance-cycle
![Shimano 200GS having problems shifting. Both shift fine outwards away from the bike fine but when shifting inwards towards the bike it with sometimes skip gears. Front set always skips from biggest Shimano 200GS having problems shifting. Both shift fine outwards away from the bike fine but when shifting inwards towards the bike it with sometimes skip gears. Front set always skips from biggest](https://preview.redd.it/mijgbd6inzs81.jpg?width=640&crop=smart&auto=webp&s=fd56759ff8cd398fb798e62f8cf2fc06eaab1a0e)