![Shimano Ultegra 9 Speed RD 6503 Triple Rear Derailleur user reviews : 4.5 out of 5 - 2 reviews - roadbikereview.com Shimano Ultegra 9 Speed RD 6503 Triple Rear Derailleur user reviews : 4.5 out of 5 - 2 reviews - roadbikereview.com](https://content.roadbikereview.com/channels/roadbikereview/images/products/product_335546.jpg)
Shimano Ultegra 9 Speed RD 6503 Triple Rear Derailleur user reviews : 4.5 out of 5 - 2 reviews - roadbikereview.com
![Hi! I have these Ultegra 6700 shifters and a Deore 9 speed rear derailleur. They work fine, but they "lose adjustment" pretty easily. I'm thinking about upgrade into this Shimano GRX RD-RX400 (10 speed) rear derailleur. Does anyone here have this setup ... Hi! I have these Ultegra 6700 shifters and a Deore 9 speed rear derailleur. They work fine, but they "lose adjustment" pretty easily. I'm thinking about upgrade into this Shimano GRX RD-RX400 (10 speed) rear derailleur. Does anyone here have this setup ...](https://preview.redd.it/lgvgl68esbj71.png?auto=webp&s=991c4fcb7de6467988db709bb359506edae81679)
Hi! I have these Ultegra 6700 shifters and a Deore 9 speed rear derailleur. They work fine, but they "lose adjustment" pretty easily. I'm thinking about upgrade into this Shimano GRX RD-RX400 (10 speed) rear derailleur. Does anyone here have this setup ...
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