![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 ...
![NEW Takeoff Shimano Ultegra 6700 ST-6700 RIGHT/REAR 10 Speed STI Shift – EJRecyclery - Cycling New & Used NEW Takeoff Shimano Ultegra 6700 ST-6700 RIGHT/REAR 10 Speed STI Shift – EJRecyclery - Cycling New & Used](http://ejrecyclery.com/cdn/shop/files/capture000329_753ecfae-3f18-418c-998b-173a9057c39f_1200x1200.jpg?v=1691604661)
NEW Takeoff Shimano Ultegra 6700 ST-6700 RIGHT/REAR 10 Speed STI Shift – EJRecyclery - Cycling New & Used
![Shimano Ultegra 6700 ST-6700 RIGHT/REAR 10 Speed STI Shifter, 9/10 EXC – EJRecyclery - Cycling New & Used Shimano Ultegra 6700 ST-6700 RIGHT/REAR 10 Speed STI Shifter, 9/10 EXC – EJRecyclery - Cycling New & Used](https://ejrecyclery.com/cdn/shop/files/capture000092_25665507-3799-435e-9c58-3ff96caae3c6_grande.jpg?v=1692061400)
Shimano Ultegra 6700 ST-6700 RIGHT/REAR 10 Speed STI Shifter, 9/10 EXC – EJRecyclery - Cycling New & Used
![Shimano Ultegra 6700 ST-6700 LEFT/FRONT 2x Double STI Shifter, 7/10 Ni – EJRecyclery - Cycling New & Used Shimano Ultegra 6700 ST-6700 LEFT/FRONT 2x Double STI Shifter, 7/10 Ni – EJRecyclery - Cycling New & Used](https://ejrecyclery.com/cdn/shop/files/capture000198_e5e26e4f-bf8a-4880-bb4e-da7b225ceee5_grande.jpg?v=1691192354)