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Shimano Dura-Ace CS-R9200 Cassette 12-speed
You get the best shifting performance with this 12-speed Dura Ace cassette.
Shimano Dura Ace Di2 Disc 9270 12s Groupset
Shimano Dura-Ace 9270 is the product of years of Shimano engineering all coming together in one grou...