Shimano Ultegra ST-6700 2x10s L+R Shifters set Control Brake Levers ST6700 | eBay
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 (