Shimano Dura-Ace CS-R9100 11 Speed Cassette Size:11-30 having the right tires is

having the right tires is often the critical difference between winning

A computer mount

1x 3200mm LEX-SL Shift Housing

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Shimano Dura-Ace CS-R9100 11 Speed Cassette Size:11-30 having the right tires isUsing a carbon fiber and alloy spider and five titanium sprockets, the Shimano Dura Ace CS R9100 11 Speed Cassette provides accurate shifting and light weight to the most discerning road cyclists. Specifications CFRP & alloy spider arm 5 titanium sprockets Rider tuned gearing Lightweight Gear Ratios 11 28: 11 12 13 14 15 17 19 21 23 25 28 11 30: 11 12 13 14 15 17 19 21 24 27 30 Mfr Claimed Weight 193g (11 28T) 211g (11 30T) Shop the flagship Shimano