Shimano Dura Ace R9100 Mechanical Rim Brake Groupset - 11 Speed

I bought this because the R9100 cassette does not have the 16T sprocket, which is really handy. BR-R9100 Dura-Ace Calliper Rim Brakes. (12, 13, 14, 15, 16, 17, 19, 21, 23, 25, 28T).

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