Shimano Dura-Ace CS-7900 Cassette - Road Bike Shop
Product Search Results For "Shimano Dura-Ace CS-7900 Cassette"
|Shimano Dura-Ace CS-9000 11-Speed Cassette
Shimano managed to add an additional cog in its Dura-Ace 9000 11-speed cassette with a weight increase of only three grams vs. the Dura-Ace 7900 10-speed cassette. Three grams. How'd they do it? Two time-tested yet innovative materials -- carbon fiber and titanium. You'll find titanium cogs for...