List of cranks compatible with POWERCRANK-E | TWIN2 | CUSTOM dual-sided power meter installation service:
ROAD CRANKS:
- FC-R7100 | Shimano 105
- FC-6800 | Shimano Ultegra
- FC-R8000 | Shimano Ultegra
- FC-R8100 | Shimano Ultegra
- FC-R9100 | Shimano Dura-Ace
- FC-R9200 | Shimano Dura-Ace
GRAVEL CRANKS:
- FC-RX810 1X11 | Shimano GRX
- FC-RX810 2X11 | Shimano GRX
- FC-RX820 1X12 | Shimano GRX
- FC-RX820 2X12 | Shimano GRX
If the above list does not include the model of your crank, it means that it is definitely not possible to mount a power meter on this crank at the moment.