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Gear Ranges: 11-23, 11-25, 11-28, 12-25 or 12-28
Weight: 166 g. (11-23)
Ratios:
11-23: 11-12-13-14-15-16-17-18-19-21-23
11-25: 11-12-13-14-15-16-17-19-21-23-25
11-28: 11-12-13-14-15-17-19-21-23-25-28
12-25: 12-13-14-15-16-17-18-19-21-23-25
12-28: 12-13-14-15-16-17-19-21-23-25-28

Take a Dura-Ace 10 -speed 7900 cassette, add 3 grams and what do you get? The Shimano Dura-Ace CS-9000 Cassette, with 11 speeds! This amazingly light weight was achieved by a few clever design features, including a carbon mid spider carrier and all cogs over 16T being made from titanium. Plus, now with 11 speeds, you get more usable gears in each cassette range.



Item Code: SSBEBMSE