Shimano Dura-Ace Cassette

* CFRP & Alloy spider arm, 5 titanium sprockets
* Wider gear combination: 11-28T/12-28T/11-30T
* Closer gear combination: 11-25T/12-25T
* Cassette Spacing: Shimano 11
* Cassette Body Type: Shimano 11 Road
* Chain Compatibility: Shimano 11
* Weight: 175g (11-25t)