Cassettes, Chains-Sale
Gear Ranges: 11-23, 12-23, 12-25 or 12-27
Weight: 235 g. (12-25)
Nickel plated Ultegra 6600 10-speed cassettes feature computer designed Hyperglide (HG) sprockets that incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. Works best with Shimano CN-6600 or CN-7800 chain. 10-speed Combinations.
Gear Ranges: 12-21, 12-23, 12-25 or 12-27
Weight: 190 g. (12-25)
Shimano Dura-Ace 7800 10-speed cassettes feature a superior surface treatment that has been applied to the titanium sprockets to increase durability by approximately 30%. The sprocket width has been slightly reduced to achieve chain compatibility and only increases the overall weight of the cassette sprocket by 17 grams compared to the 9-speed CS-7700 sprocket. The CS-7800 sprocket is also compatible with the 9-speed freehub because it is designed to have nearly the same width. Size selection may be limited. Pricing May varry due to availability.
Weight: 255 g. (114 link)
The Record 10-spd Ultra Narrow chain that is just 5.9-mm wide. Owing to its dimensions, it is lighter and quieter and facilitates adjustment of the rear derailleur.
