![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 ...
![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 Double 10-Speed Shifter/Brake Lever Set | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches, Amazon price drop alerts | camelcamelcamel.com SHIMANO Ultegra 6700 Double 10-Speed Shifter/Brake Lever Set | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches, Amazon price drop alerts | camelcamelcamel.com](https://images-na.ssl-images-amazon.com/images/I/41UG8GiysRL._UL320_.jpg)