Shimano Dura-Ace 7900 chainrings are compatible with certain 130 BCD Quarq power meters. Dura-Ace 7900 rings can be mounted and used with the following Quarq power meters:
- Quarq DZero Carbon 130 BCD NHB
- Quarq DZero Aluminum 130BCD NHB
Shimano Dura-Ace 7900 chainrings ARE NOT COMPATIBLE with certain 130 BCD and all 110 BCD Quarq power meters.
- SRAM Red DZero 130 BCD and 110BCD
- Quarq DZero Carbon/Aluminum 110 BCD HB and NHB
- Quarq DZero Carbon/Aluminum 130 BCD HB
Shimano Dura-Ace 7900 chainrings are compatible with the following legacy power meters:
- RIKEN AL 130 BCD
- RIKEN R 130 BCD
- ELSA R 130 BCD
- Quarq for Specialized 130 BCD
- Quarq for Cannondale 130 BCD
Shimano Dura-Ace 7900 chainrings ARE NOT COMPATIBLE with the following legacy power meters:
- RED22 130 BCD and 110 BCD
- RED Etap 130 BCD and 110 BCD
- RIKEN AL 110 BCD
- RIKEN R 110 BCD
- ELSA R 110 BCD
- ELSA RS 110 BCD (Not sold in 130 BCD)
- Quarq for Specialized 110 BCD
- Quarq for Cannondale 110 BCD
To use one of the above Quarq power meters with a Dura-Ace 7900 groupset you will need to use compatible SRAM, or third party, chainrings. Contact Quarq customer service by phone or email to discuss which chainrings are compatible.