![Amazon.com : Shimano GRX ST-RX810-LA/BR-RX810 Disc Brake and Lever/Drop Bar Seatpost Remote - Front, Hydraulic, Flat Mount, Resin Pads, Black : Sports & Outdoors Amazon.com : Shimano GRX ST-RX810-LA/BR-RX810 Disc Brake and Lever/Drop Bar Seatpost Remote - Front, Hydraulic, Flat Mount, Resin Pads, Black : Sports & Outdoors](https://m.media-amazon.com/images/I/51dt1vCmOIL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Shimano GRX ST-RX810-LA/BR-RX810 Disc Brake and Lever/Drop Bar Seatpost Remote - Front, Hydraulic, Flat Mount, Resin Pads, Black : Sports & Outdoors
![Disc brake adaptors - is there one that will fit this spec? Shimano GRX 810 on post mount frame and fork : r/bikewrench Disc brake adaptors - is there one that will fit this spec? Shimano GRX 810 on post mount frame and fork : r/bikewrench](https://preview.redd.it/60rjtfd8q0q61.jpg?width=640&crop=smart&auto=webp&s=6fa50ad80539003e0b556b4ef3e8d71b3a58884d)
Disc brake adaptors - is there one that will fit this spec? Shimano GRX 810 on post mount frame and fork : r/bikewrench
![Disc brake adaptors - is there one that will fit this spec? Shimano GRX 810 on post mount frame and fork : r/bikewrench Disc brake adaptors - is there one that will fit this spec? Shimano GRX 810 on post mount frame and fork : r/bikewrench](https://i.redd.it/ivkaxkh6q0q61.jpg)
Disc brake adaptors - is there one that will fit this spec? Shimano GRX 810 on post mount frame and fork : r/bikewrench
![Anyone here use GRX rx810 levers with XT calipers? Im upgrading a groupset but have a post mount frame. Any insight is appreciated. : r/bikewrench Anyone here use GRX rx810 levers with XT calipers? Im upgrading a groupset but have a post mount frame. Any insight is appreciated. : r/bikewrench](https://preview.redd.it/b8zqi9r0ohz51.jpg?width=640&crop=smart&auto=webp&s=121edabba74bfa1b951ce7ef64db0775c7106703)