![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 ( 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 (](https://preview.redd.it/lgvgl68esbj71.png?width=640&crop=smart&auto=webp&s=681babadc778d010ef5eb31b34acb5d16e80a4bf)
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 (
![Shimano Ultegra 6700 RD-6700 10 Speed Rear Derailleur - Short Cage, 8/ – EJRecyclery - Cycling New & Used Shimano Ultegra 6700 RD-6700 10 Speed Rear Derailleur - Short Cage, 8/ – EJRecyclery - Cycling New & Used](https://cdn.shopify.com/s/files/1/0515/4144/2719/products/capture003037_a9eb4564-dc2a-484e-b73c-7bd6af47dd81_grande.jpg?v=1678732340)
Shimano Ultegra 6700 RD-6700 10 Speed Rear Derailleur - Short Cage, 8/ – EJRecyclery - Cycling New & Used
![gearEleven International: Shimano Ultegra RD-6700-SS Rear Derailleur 2x10 speed Compatibility and Specs gearEleven International: Shimano Ultegra RD-6700-SS Rear Derailleur 2x10 speed Compatibility and Specs](https://2.bp.blogspot.com/_ZtSLQa6nzkE/TND5y2BZRTI/AAAAAAAAAV4/E2ZrDb1pB-0/s1600/shimano-rd-6700-ss-gear11-japan.gif)
gearEleven International: Shimano Ultegra RD-6700-SS Rear Derailleur 2x10 speed Compatibility and Specs
![Shimano Ultegra 6700 Rd-6700 Ultegra Road Bike Bicycle Rear Derailleur Ss - Bicycle Derailleur - AliExpress Shimano Ultegra 6700 Rd-6700 Ultegra Road Bike Bicycle Rear Derailleur Ss - Bicycle Derailleur - AliExpress](https://ae01.alicdn.com/kf/HTB1bF64rbsTMeJjSszhq6AGCFXaS/Shimano-Ultegra-6700-RD-6700-Ultegra-road-bike-bicycle-Rear-Derailleur-SS.jpg_640x640.jpg)
Shimano Ultegra 6700 Rd-6700 Ultegra Road Bike Bicycle Rear Derailleur Ss - Bicycle Derailleur - AliExpress
![Shimano ULTEGRA FD 6700 Front Derailleur 2x10 Speed ULTEGRA 6700 Bicycle Road Bicycle Derailleur FD 6700 Front Derailleur|Bicycle Derailleur| - AliExpress Shimano ULTEGRA FD 6700 Front Derailleur 2x10 Speed ULTEGRA 6700 Bicycle Road Bicycle Derailleur FD 6700 Front Derailleur|Bicycle Derailleur| - AliExpress](https://ae01.alicdn.com/kf/He01a9a444b0e4c399ad80f4c04fc0a65t/Shimano-ULTEGRA-FD-6700-Front-Derailleur-2x10-Speed-ULTEGRA-6700-Bicycle-Road-Bicycle-Derailleur-FD-6700.jpg_640x640.jpg)