Shimano Dura Ace 7400 8 speed w/ 9 speed shifters
Dura Ace 7400 series was released as 6, 7, and 8 speed groupsets.
Indexing is not compatible with non Dura Ace shifters, however a 9 speed shifter can run an 8 speed cassette with 7400 derailleurs.
Dura Ace 7400 series was released as 6, 7, and 8 speed groupsets.
Indexing is not compatible with non Dura Ace shifters, however a 9 speed shifter can run an 8 speed cassette with 7400 derailleurs.