Dura-Ace R9100 12-25 Cassette

Using a carbon fiber and alloy spider and five titanium sprockets, the DURA-ACE R9100 cassette provides accurate shifting and light weight to the most discerning road cyclists on the planet.

Combination (* Titanium gear)

12-13-14-15-16-17-18*-19*-21*-23*-25*T

Weight: 189g