Shimano 105 Di2 ST-R7170 Joint Support Ring - Y0RM9801T

Shimano 105 Di2 ST-R7170 12 speed shifter Joint Support Ring.

The following are an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.

- Shimano 105 ST-R7120
- Shimano 105 ST-R7020
- Shimano GRX ST-RX820-LA
- Shimano GRX ST-RX820
- Shimano GRX ST-RX610
- Shimano GRX ST-RX600

The following are a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.

- Shimano Ultegra Di2 ST-R8170
- Shimano GRX ST-RX810-LA
- Shimano GRX ST-RX810

Genuine Shimano replacement part.

Note: Scrolling down the page will take you to the associated parts related to this shifter & their availability